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Download a file by jQuery.Ajax
...h is completely right about this, you can't do it through Ajax because JavaScript cannot save files directly to a user's computer (out of security concerns). Unfortunately pointing the main window's URL at your file download means you have little control over what the user experience is when a file ...
GestureDetect 手势检测扩展：识别滑动、点击和长按手势 · App Inventor 2 中文网
...无特殊权限要求
致谢
特别感谢以下开发者对扩展开发的支持：
Mohamed_Tamer - 技术指导
ADDYLIN - 开发支持
原文链接
原版文档：
MIT App Inventor Community - GestureDetect 扩展发布帖
MIT App Inven...
How to terminate the script in JavaScript?
How can I exit the JavaScript script much like PHP's exit or die ? I know it's not the best programming practice but I need to.
...
Limit file format when using ?
... to know if there is a solution. I'd like to keep solely to HTML and JavaScript; no Flash please.
11 Answers
...
使用Activity启动器组件 · App Inventor 2 中文网
...与 App Inventor 应用程序一起使用的外部应用程序的 Android 开发人员提供的技术信息
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使用Activity启动器组件
Activity Starter 组件允许你通过让一个应用程序启动其他应用程序来组合应用程序。 这是通过利用其他应用程...
How can I determine if a JavaScript variable is defined in a page? [duplicate]
How can i check in JavaScript if a variable is defined in a page? Suppose I want to check if a variable named "x" is defined in a page, if I do if(x != null) , it gives me an error.
...
What are the best use cases for Akka framework [closed]
...ith meta data (category, label, tags, etc) and provide services (email/sms alerts, fraud detection, low funds balance, etc).
Based on the input type we compose classes of various traits (called mixins) necessary to handle the job and then perform the work. All of these jobs come into the same queue...
How to get the element clicked (for the whole document)?
... the body tag
<body onclick="theFunction(event)">
then use in javascript the following function to get the ID
<script>
function theFunction(e)
{ alert(e.target.id);}
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impro...
jQuery if checkbox is checked
...
In CoffeeScript: if $('#my_checkbox').is ':checked'
– Dennis
Feb 21 '14 at 16:53
12
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How do I resolve a HTTP 414 “Request URI too long” error?
...
Here is a working example:
ajaxPOST.html:
<html>
<head>
<script type="text/javascript">
function ajaxPOSTTest() {
try {
// Opera 8.0+, Firefox, Safari
ajaxPOSTTestRequest = new XMLHttpRequest();
} catch (e) {
// Internet Ex...