{"id":15459,"date":"2023-02-24T13:53:35","date_gmt":"2023-02-24T12:53:35","guid":{"rendered":"https:\/\/gate42.it\/?p=15459"},"modified":"2023-03-09T22:48:24","modified_gmt":"2023-03-09T21:48:24","slug":"useful-things-that-you-can-do-with-reactive-programming-in-angular","status":"publish","type":"post","link":"https:\/\/gate42.it\/en\/useful-things-that-you-can-do-with-reactive-programming-in-angular\/","title":{"rendered":"Useful things that you can do with reactive programming in Angular"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"15459\" class=\"elementor elementor-15459\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e9e4dcc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e9e4dcc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7ebfd91\" data-id=\"7ebfd91\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8d791f4 elementor-widget elementor-widget-heading\" data-id=\"8d791f4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 05-08-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h5 class=\"elementor-heading-title elementor-size-default\">Quick intro<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c017753 elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"c017753\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInRight&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 05-08-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p class=\"p1\">Reactive programming is an essential concept in Angular that allows you to write efficient and responsive applications. It involves programming with asynchronous data streams and using observables to subscribe to and react to data changes. Reactive programming can help simplify your code, make it more readable, and improve performance. Here are some useful things you can do with reactive programming in Angular:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-92c1014 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"92c1014\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f772ebf\" data-id=\"f772ebf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-14bc95f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"14bc95f\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 05-08-2024 *\/\n.elementor-widget-divider{--divider-border-style:none;--divider-border-width:1px;--divider-color:#0c0d0e;--divider-icon-size:20px;--divider-element-spacing:10px;--divider-pattern-height:24px;--divider-pattern-size:20px;--divider-pattern-url:none;--divider-pattern-repeat:repeat-x}.elementor-widget-divider .elementor-divider{display:flex}.elementor-widget-divider .elementor-divider__text{font-size:15px;line-height:1;max-width:95%}.elementor-widget-divider .elementor-divider__element{margin:0 var(--divider-element-spacing);flex-shrink:0}.elementor-widget-divider .elementor-icon{font-size:var(--divider-icon-size)}.elementor-widget-divider .elementor-divider-separator{display:flex;margin:0;direction:ltr}.elementor-widget-divider--view-line_icon .elementor-divider-separator,.elementor-widget-divider--view-line_text .elementor-divider-separator{align-items:center}.elementor-widget-divider--view-line_icon .elementor-divider-separator:after,.elementor-widget-divider--view-line_icon .elementor-divider-separator:before,.elementor-widget-divider--view-line_text .elementor-divider-separator:after,.elementor-widget-divider--view-line_text .elementor-divider-separator:before{display:block;content:\"\";border-block-end:0;flex-grow:1;border-block-start:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--element-align-left .elementor-divider .elementor-divider-separator>.elementor-divider__svg:first-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-left .elementor-divider-separator:before{content:none}.elementor-widget-divider--element-align-left .elementor-divider__element{margin-left:0}.elementor-widget-divider--element-align-right .elementor-divider .elementor-divider-separator>.elementor-divider__svg:last-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-right .elementor-divider-separator:after{content:none}.elementor-widget-divider--element-align-right .elementor-divider__element{margin-right:0}.elementor-widget-divider--element-align-start .elementor-divider .elementor-divider-separator>.elementor-divider__svg:first-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-start .elementor-divider-separator:before{content:none}.elementor-widget-divider--element-align-start .elementor-divider__element{margin-inline-start:0}.elementor-widget-divider--element-align-end .elementor-divider .elementor-divider-separator>.elementor-divider__svg:last-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-end .elementor-divider-separator:after{content:none}.elementor-widget-divider--element-align-end .elementor-divider__element{margin-inline-end:0}.elementor-widget-divider:not(.elementor-widget-divider--view-line_text):not(.elementor-widget-divider--view-line_icon) .elementor-divider-separator{border-block-start:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--separator-type-pattern{--divider-border-style:none}.elementor-widget-divider--separator-type-pattern.elementor-widget-divider--view-line .elementor-divider-separator,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:after,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:before,.elementor-widget-divider--separator-type-pattern:not([class*=elementor-widget-divider--view]) .elementor-divider-separator{width:100%;min-height:var(--divider-pattern-height);-webkit-mask-size:var(--divider-pattern-size) 100%;mask-size:var(--divider-pattern-size) 100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width,100%);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3db9ad5 elementor-widget elementor-widget-text-editor\" data-id=\"3db9ad5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>1.\u00a0 \u00a0Create reactive forms<\/strong><\/p><p class=\"p1\">Reactive forms are a way to handle user input in Angular. They provide a way to manage and validate user input as the user types. Reactive forms use the FormControl and FormGroup classes from the @angular\/forms library, which are based on reactive programming concepts. You can create reactive forms by instantiating a FormGroup with a set of FormControls, and then subscribing to the valueChanges observable to get notified of any changes in the form.<\/p><ul><li class=\"p1\"><b>Grouping form controls<\/b><\/li><\/ul><p class=\"p1\">Forms typically contain several related controls. Reactive forms provide two ways of grouping multiple related controls into a single input form <b>FormGroup<\/b> and <b>FormArray<\/b>.\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3869056 elementor-widget elementor-widget-image\" data-id=\"3869056\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.23.0 - 05-08-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"640\" height=\"54\" data-src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-1024x86.png\" class=\"attachment-large size-large wp-image-15525 lazyload\" alt=\"\" data-srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-1024x86.png 1024w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-300x25.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-768x65.png 768w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-18x2.png 18w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1.png 1033w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/54;\" \/><noscript><img decoding=\"async\" width=\"640\" height=\"54\" src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-1024x86.png\" class=\"attachment-large size-large wp-image-15525\" alt=\"\" srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-1024x86.png 1024w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-300x25.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-768x65.png 768w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1-18x2.png 18w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.18.24-1.png 1033w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-07a3815 elementor-widget elementor-widget-text-editor\" data-id=\"07a3815\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-size: 1rem;letter-spacing: -0.01em\">You can see the example on<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-weight: var( --e-global-typography-text-font-weight );font-size: 1rem;letter-spacing: -0.01em\">\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-weight: var( --e-global-typography-text-font-weight );font-size: 1rem;letter-spacing: -0.01em\"><strong><a style=\"color: #00ccff\" href=\"https:\/\/stackblitz.com\/edit\/angular-reactive-forms-fgm9hm?file=app%2Fapp.component.ts\" target=\"_blank\" rel=\"noopener\">StackBlitz<\/a><\/strong><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-698b654 elementor-widget elementor-widget-text-editor\" data-id=\"698b654\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>2.\u00a0 \u00a0Handle HTTP requests<\/strong><\/p><p class=\"p1\">Reactive programming can also be used to handle HTTP requests in Angular. The HttpClient module from @angular\/common\/http provides a reactive API for making HTTP requests. You can use observables to subscribe to the HTTP response and handle the data as it arrives. This allows you to write asynchronous and non-blocking code that is easier to reason about.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c57f074 elementor-widget elementor-widget-image\" data-id=\"c57f074\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"640\" height=\"71\" data-src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.38.47.png\" class=\"attachment-large size-large wp-image-15526 lazyload\" alt=\"\" data-srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.38.47.png 754w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.38.47-300x33.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.38.47-18x2.png 18w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/71;\" \/><noscript><img decoding=\"async\" width=\"640\" height=\"71\" src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.38.47.png\" class=\"attachment-large size-large wp-image-15526\" alt=\"\" srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.38.47.png 754w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.38.47-300x33.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.38.47-18x2.png 18w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1406b2 elementor-widget elementor-widget-text-editor\" data-id=\"d1406b2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-size: 1rem;letter-spacing: -0.01em\">You can see the<\/span><span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-size: 1rem;letter-spacing: -0.01em\"> example on<\/span><span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-weight: var( --e-global-typography-text-font-weight );font-size: 1rem;letter-spacing: -0.01em\">\u00a0<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-697234c elementor-widget elementor-widget-text-editor\" data-id=\"697234c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>3.\u00a0 \u00a0Implement routing<\/strong><\/p><p class=\"p1\">Angular&#8217;s router module can be used with reactive programming to implement routing in your application. The router provides an Observable of the current route parameters, which allows you to react to changes in the URL and load different components based on the current route. You can also use the router events Observable to react to different events in the router, such as when the user navigates to a new page.\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95e51ab elementor-widget elementor-widget-image\" data-id=\"95e51ab\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"640\" height=\"67\" data-src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50.png\" class=\"attachment-large size-large wp-image-15531 lazyload\" alt=\"\" data-srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50.png 806w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50-300x31.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50-768x80.png 768w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50-18x2.png 18w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/67;\" \/><noscript><img decoding=\"async\" width=\"640\" height=\"67\" src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50.png\" class=\"attachment-large size-large wp-image-15531\" alt=\"\" srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50.png 806w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50-300x31.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50-768x80.png 768w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.44.50-18x2.png 18w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a001c9 elementor-widget elementor-widget-text-editor\" data-id=\"9a001c9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-size: 1rem;letter-spacing: -0.01em\">You can see the example on<\/span><span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-weight: var( --e-global-typography-text-font-weight );font-size: 1rem;letter-spacing: -0.01em\">\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-weight: var( --e-global-typography-text-font-weight );font-size: 1rem;letter-spacing: -0.01em;color: #00ccff\"><strong><a style=\"color: #00ccff\" href=\"https:\/\/stackblitz.com\/edit\/angular-routing-navigation-example-j3zuv7?file=app%2Fapp.module.ts\" target=\"_blank\" rel=\"noopener\">StackBlitz<\/a><\/strong><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c85e0f elementor-widget elementor-widget-text-editor\" data-id=\"8c85e0f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>4.\u00a0 \u00a0Use reactive extensions<\/strong><\/p><p class=\"p1\">Reactive programming in Angular can be extended with reactive extensions, such as RxJS. RxJS provides a powerful set of operators and methods for working with observables, such as mapping, filtering, and combining observables. You can use these operators to transform, filter, and combine observables to achieve more complex behavior in your application.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba402b7 elementor-widget elementor-widget-image\" data-id=\"ba402b7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"87\" data-src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.50.07.png\" class=\"attachment-large size-large wp-image-15532 lazyload\" alt=\"\" data-srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.50.07.png 708w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.50.07-300x41.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.50.07-18x2.png 18w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/87;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"87\" src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.50.07.png\" class=\"attachment-large size-large wp-image-15532\" alt=\"\" srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.50.07.png 708w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.50.07-300x41.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.50.07-18x2.png 18w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5621802 elementor-widget elementor-widget-text-editor\" data-id=\"5621802\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-size: 1rem;letter-spacing: -0.01em\">You can see the example on <span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-weight: var( --e-global-typography-text-font-weight );font-size: 1rem;letter-spacing: -0.01em\">\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-weight: var( --e-global-typography-text-font-weight );font-size: 1rem;letter-spacing: -0.01em;color: #00ccff\"><strong><a style=\"color: #00ccff\" href=\"https:\/\/stackblitz.com\/edit\/angular-component-example-zh7sxq?file=app%2Fapp.component.ts\" target=\"_blank\" rel=\"noopener\">StackBlitz<\/a><\/strong><\/span><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-823afdb elementor-widget elementor-widget-text-editor\" data-id=\"823afdb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>5.\u00a0 \u00a0Implement real-time updates<\/strong><\/p><p class=\"p1\">Reactive programming is also useful for implementing real-time updates in your application. You can use WebSocket connections to create an observable stream of real-time data, which can be subscribed to and reacted to in real time. This allows you to create responsive and interactive applications that provide real-time feedback to the user.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9c0bf15 elementor-widget elementor-widget-image\" data-id=\"9c0bf15\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"89\" data-src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34.png\" class=\"attachment-large size-large wp-image-15533 lazyload\" alt=\"\" data-srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34.png 774w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34-300x42.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34-768x107.png 768w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34-18x3.png 18w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/89;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"89\" src=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34.png\" class=\"attachment-large size-large wp-image-15533\" alt=\"\" srcset=\"https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34.png 774w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34-300x42.png 300w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34-768x107.png 768w, https:\/\/gate42.it\/wp-content\/uploads\/2023\/02\/Screenshot-2023-03-09-at-10.52.34-18x3.png 18w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0724157 elementor-widget elementor-widget-text-editor\" data-id=\"0724157\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-size: 1rem;letter-spacing: -0.01em\">You can see the example on<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-weight: var( --e-global-typography-text-font-weight );font-size: 1rem;letter-spacing: -0.01em;color: #00ccff\">\u00a0<\/span><strong style=\"color: inherit;font-family: var( --e-global-typography-text-font-family ), Sans-serif;font-size: 1rem;letter-spacing: -0.01em\"><a href=\"https:\/\/stackblitz.com\/edit\/angular-basic-tutorial-wwkm23?file=app%2Fhome%2Fhome.component.ts\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #00ccff\">StackBlitz<\/span><\/a><\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e16ec4 elementor-widget elementor-widget-heading\" data-id=\"2e16ec4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Conclusion:<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-309a156 elementor-widget elementor-widget-text-editor\" data-id=\"309a156\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Reactive programming has many applications within the world of web development and Angular is no exception &#8211; making it possible for developers to create incredibly powerful applications that are both responsive and efficient. From creating dynamic user interfaces and streamlining data processing tasks, to utilizing multi-threading for improved performance &#8211; there are plenty of ways that you can take advantage of the power of reactive programming when building an Angular app!\u00a0If you&#8217;re new to reactive programming in Angular, I recommend starting with the basics and gradually working your way up to more advanced concepts.\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"\/*! elementor &#8211; v3.11.2 &#8211; 22-02-2023 *\/ .elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]&gt;a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}Quick intro Reactive programming is an essential concept in Angular that allows you to write efficient and responsive applications. It involves programming with asynchronous data streams and&#8230;","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[22],"tags":[26,34],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/posts\/15459"}],"collection":[{"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/comments?post=15459"}],"version-history":[{"count":64,"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/posts\/15459\/revisions"}],"predecessor-version":[{"id":15554,"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/posts\/15459\/revisions\/15554"}],"wp:attachment":[{"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/media?parent=15459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/categories?post=15459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gate42.it\/en\/wp-json\/wp\/v2\/tags?post=15459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}