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从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术

...形和虚拟现实技术成为一种可能。 应用虚拟现实技术开发的三维虚拟学习环境能够营逼真、直观的学习环境 ,让学生沉浸在虚拟世界进行实时观察、交互、参与、实验、漫游等操作 ,将枯燥难懂的知识以“身临其境 ”的方式...
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AngularJS - pass function to directive

...st color1="color1" update-fn="updateFn"></test> </div> <script> angular.module('dr', []) .controller("testCtrl", function($scope) { $scope.updateFn = function(msg) { alert(msg); } }) .directive('test', function() { return { scope:...
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How to set value of input text using jQuery

...l need to verify in your browser's error console that you don't have other script errors causing this to fail. The first example above works correctly in this demonstration. share | improve this an...
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Why does isNaN(“ ”) (string with spaces) equal false?

In JavaScript, why does isNaN(" ") evaluate to false , but isNaN(" x") evaluate to true ? 23 Answers ...
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App Inventor 2 数学积木完全指南:从加减乘除到位运算,一篇搞定所有计算...

...进制转换,从随机数生成到位运算,覆盖了绝大部分 App 开发中的数学需求。掌握这些积木,你就能: - 处理购物车、评分等日常计算场景 - 做游戏中的物理模拟和概率判定 - 解析硬件协议中的二进制数据 - 实现数据可视化的...
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Deserializing a JSON into a JavaScript object

... @PhilippMunin you could use this Date function from the javascript API : new Date(parseInt("/Date(946681200000)/".replace('/Date(', ''))); – Leo Mar 2 '18 at 10:36 ...
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Clearing using jQuery

....wrap('<form>').closest('form').get(0).reset(); e.unwrap(); } <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <form> <input id="file" type="file"> <br> <input id="text" type="text" value="Original"> </fo...
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Amazon S3 direct file upload from client browser - private key disclosure

...t file upload from client machine to Amazon S3 via REST API using only JavaScript, without any server-side code. All works fine but one thing is worrying me... ...
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Can you require two form fields to match with HTML5?

...m fields to match using HTML5? Or does this still have to be done with javascript? For example, if you have two password fields and want to make sure that a user has entered the same data in each field, are there some attributes, or other coding that can be done, to achieve this? ...
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How to check if an option is selected?

...th you. Maybe those of us brought up on jQuery need to take a remedial JavaScript class. :) – iambriansreed Apr 18 '12 at 16:38 ...