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How to set the prototype of a JavaScript object that has already been instantiated?
Suppose I have an object foo in my JavaScript code. foo is a complex object and it is generated somewhere else. How can I change the prototype of the foo object?
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How would I create a UIAlertView in Swift?
I have been working to create a UIAlertView in Swift, but for some reason I can't get the statement right because I'm getting this error:
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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
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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 ...
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.
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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.
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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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Pass a PHP array to a JavaScript function [duplicate]
I am trying to get a PHP array variable into a JavaScript variable.
4 Answers
4
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Client on node: Uncaught ReferenceError: require is not defined
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This is because require() does not exist in the browser/client-side JavaScript.
Now you're going to have to make some choices about your client-side JavaScript script management.
You have three options:
Use <script> tag.
Use a CommonJS implementation. Synchronous dependencies like Node....
Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...把如下的脚本放到网站全局的页脚，如：footer.inc：
<script type=”text/javascript”>
var _gaq = _gaq || [];
_gaq.push(["_setAccount", "UA-XXXXXX-1"]);
_gaq.push(["_trackPageview"]);
(function() {
var ga = document.createElement(“script”); ga.type = “text/javasc...