javascript-framework

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I am not able to understand how jQuery chaining works. jQuery("div").attr("id", "_id") .hide() .show(); I did something like chaining, but I'm not sure if it's the same logic that jQuery uses. var fun = (function

问题 Lastly I've been feeling like jQuery is slowly becoming the defacto standard in JS libraries (I might be wrong!), or at least that is more active than the rest of the frameworks. For example, I've been looking for a fine open source calendar like Componente and found http://fullcalendar.vinsol.com/ which is based on jQuery. We've been using Prototype for very little things, like its selector capabilities ( $ function as a shortcut for document.getElementById , mainly), executing some piece of

问题 Can we use the angular variables defined in scope inside script tag like below. HTML CODE: <div ng-controller="AngularCtrl"> <script> alert($scope.user_name); </script> </div> JS CODE: function AngularCtrl($scope){ $scope.user_name = 'John'; } I just get '$scope is not defined'. Can someone help me with what i am doing wrong here? 回答1: No you can't. $scope is only defined inside Angular, i.e. within your AngularCtrl -function. There are ways to get access to angular scopes from the outside,

问题 Closed . This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 6 years ago . I haven't done web development for about 6 years. I'm trying to get back into it and there is a lot of new stuff out there. I've chosen to write my next project with Perl and Catalyst. I keep hearing about various JavaScript and CSS frameworks. I know very little about these

问题 I try to smuggle HTML template in the HTML for mustache.js, however the django template engine remove all the placeholders that should be output as-is to the front-end The template is included in HTML in this way: <script type="text/x-mustache-template" data-id="header_user_info"> <div id="header_user_info"> <div id="notification">0</div> <a href="#">{{username}}</a> </div> </script> and I can get the HTML template by running $(el).html(), and generate html by using Mustache.to_html(temp,

问题 I'm comparing these frameworks to do some calculations on the client side. I really liked the example on the AngularJS site. I was wondering if any of the backbone.js or knockout.js experts on the site would please recreate that example in their respective frameworks. Here is the JSFiddle for it. Code of the Fiddle: <table ng:init="invoice= {items:[{qty:10, description:'gadget', cost:9.95}]}"> <tr> <th>Qty</th> <th>Description</th> <th>Cost</th> <th>Total</th> <th></th> </tr> <tr ng:repeat=

问题 As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. Closed 6 years ago . I am starting to learn frontend JavaScript frameworks like Backbone.js or Embers.js and I wanted to do some projects in Node.js. I

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: Function triggering early I have whipped up this code, but why on earth would it be alerting me that its undefined even though I have never even got a chance to click on and select a date from the UI date picker when I call the function test()? Doesn't seem to make sense with me? var sdate function test() { alert(select_date()) } function select_date() { $('#dd').dialog({ autoOpen: true, modal: true, overlay: {

问题 How can I make Javascript check an array and make sure that there's no error committed after the comma separating each element of the array .. For example a user may form an array with two commas in a row separating an element instead of one comma .. Not just comma , any other wrong input. var cars=["Saab",,"Volvo","BMW"]; // Here , this array has an error , there's a double comma . var cars=["Saab",*"Volvo","BMW"]; // this array has an error , there's an asterix. var cars=["Saab","Volvo",

问题 I am new to AngularJS and I am studying it on a tutorial. I have some doubt about the concept related to the Digest Loop provided by Angular. My application is composed by these 2 files: 1) index.html : <!DOCTYPE html> <html lang="en-us" ng-app="myApp"> <head> <title>Learn and Understand AngularJS</title> <meta http-equiv="X-UA-Compatible" content="IE=Edge"> <meta charset="UTF-8"> <!-- load bootstrap and fontawesome via CDN --> <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap