How to use jQuery Plugin with Angular 4

Question

I want to use a range slider in an angular project and I tried using one available module for angular 4   It works fine during compilation but when I try to build it for deployment  it throws the below error     I checked for the option of using jQuery plugin directly in the angular project and I m only getting options for doing it in Angular 2   Is there any way we can use jQuery plugins in Angular 4   Please let me know    Thanks in advance

User · Answer

ngOnInit          const     window                flexslider   flexslider           animation   slide           start  function  slider                 body   removeClass  loading

User · Answer

Yes you can use jquery with Angular 4  Steps    1  In index html put below line in  tag    lt script src  https   ajax googleapis com ajax libs jquery 1 12 4 jquery min js  gt  lt  script gt    2  In component ts file below you have to declare var like this  import   Component   from   angular core   declare var jquery any  declare var    any    Component     selector   app-root     templateUrl     app component html     styleUrls      app component css      export class AppComponent     title    angular 4 with jquery     toggleTitle            title   slideToggle                And use this code for corresponding html file like this    lt h1 class  title  style  display none  gt      title    lt  h1 gt   lt button  click   toggleTitle    gt  clickhere lt  button gt    This will work for you  Thanks

User · Answer

Install jQuery using NPM Jquery NPM  npm install jquery   Install the jQuery declaration file                               npm install -D  types jquery   Import jQuery inside  ts  import   as   from  jquery     call inside class  export class JqueryComponent implements OnInit    constructor        ngOnInit           window  click function              alert  ok

User · Answer

Try using -  declare let    any    or import   as   from  jquery dist jquery min js   provide exact path of the lib

User · Answer

You should not use jQuery in Angular  While it is possible  see other answers for this question   it is discouraged  Why   Angular holds an own representation of the DOM in its memory and doesn t use query-selectors  functions like document getElementById id   like jQuery  Instead all the DOM-manipulation is done by Renderer2  and Angular-directives like  ngFor and  ngIf accessing that Renderer2 in the background framework-code   If you manipulate DOM with jQuery yourself you will sooner or later      Run into synchronization problems and have things wrongly appearing or not disappearing at the right time from your screen Have performance issues in more complex components  as Angular s internal DOM-representation is bound to zone js and its change detection-mechanism - so updating the DOM manually will always block the thread your app is running on  Have other confusing errors you don t know the origin of  Not being able to test the application correctly  Jasmine requires you to know when elements have been rendered  Not being able to use Angular Universal or WebWorkers   If you really want to include jQuery  for duck-taping some prototype that you will 100  definitively throw away   I recommend to at least include it in your package json with npm install --save jquery instead of getting it from google s CDN      TLDR  For learning how to manipulate the DOM in the Angular way please go through the official tour-of heroes tutorial first  https   angular io tutorial toh-pt2 If you need to access elements higher up in the DOM hierarchy  parent or document body  or for some other reason directives like  ngIf   ngFor  custom directives  pipes and other angular utilities like  style background    class myOwnCustomClass   don t satisfy your needs  use Renderer2  https   www concretepage com angular-2 angular-4-renderer2-example

User · Answer

the solution to the typescript  Step1  npm install jquery  npm install --save-dev  types jquery  step2  in Angular json add   quot scripts quot              quot node modules jquery dist jquery min js quot            or in index html add   lt script src  quot https   ajax googleapis com ajax libs jquery 1 12 4 jquery min js quot  gt  lt  script gt   step3  in   component ts where you want to use jquery import   as   from  jquery       dont need  quot declare let   quot   Then you can use jquery the same as javaScript  This way  VScode supports auto-suggestion by Typescript

User · Answer

You can update your jquery typings version like so   npm install --save  types jquery latest   I had this same error and I ve been at if for 5 days surfing the net for a solution it worked for me and it should work for you

User · Answer

You are not required to declare any jQuery variable as you installed  types jquery   declare var jquery any       not required declare var    any       not required   You should have access to jQuery everywhere   The following should work   jQuery   title   slideToggle

User · Answer

If you have the need to use other libraries in projects --typescript-- not just in projects - angle - you can look for tds s  TypeScript Declaration File  that are depares and that have information of methods  types  functions  etc    which can be used by TypeScript  usually without the need for import  declare var is the last resource  npm install  types lib-name --save-dev

User · Answer

Try this   import   as   from  jquery dist jquery min js     Or add scripts to angular-cli json    scripts             node modules jquery dist jquery min js         and in your  ts file   declare var    any

User · Answer

Install jquery with npm  npm install jquery --save   Add typings  npm install --save-dev  types jquery   Add scripts to angular-cli json   apps               scripts             node modules jquery dist jquery min js                   Build project and serve  ng build   Hope this helps  Enjoy coding

User · Answer

You can use webpack to provide it  It will be then injected DOM automatically   module exports       context  process cwd      entry        something          path join root   src something ts              vendor    jquery          devtool   source-map     output        path  path join root    dist js        sourceMapFilename    name  js map       filename    name  js         module        rules           test     ts    exclude   node modules   loader   ts-loader                resolve        extensions     ts     es6     js     json          plugins         new webpack ProvidePlugin             jquery         jQuery   jquery

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