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Regular Expression: Any character that is NOT a letter or number
...can't without a polyfill, apparently... stackoverflow.com/questions/280712/javascript-unicode-regexes
– Nickolay
Jun 7 '18 at 16:39
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Empty arrays seem to equal true and false at the same time
... on Array returns Array.join(), and empty string is one of falsy values in JavaScript.
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how to reset
I am developing a metro app with VS2012 and Javascript
27 Answers
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Download File Using jQuery
...lt;a href="no-script.html">Download now!</a>
Even if there's no Javascript, at least this way the user will get some feedback.
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How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
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You can't do this with a HTML select tag, but you can do it with JavaScript and HTML. There are variety of existing controls that do this - for instance, the "suggest" list attached to the SO "interesting/ignored tag" entry, or Gmail's lookup for email adresses.
There are many JavaScript+...
Can Protractor and Karma be used together?
... recommended instead.
Karma
Karma is a test runner that will run the JavaScript files specified in you configuration file explicitly or using node-globs. (For non-JavaScript external templates, Angular's Unit Testing Guide recommends using Karma html preprocessor to compile them into JavaScrip...
How to format numbers as currency string?
I would like to format a price in JavaScript. I'd like a function which takes a float as an argument and returns a string formatted like this:
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Chrome, Javascript, window.open in new tab
In chrome this opens in a new tab:
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Using CSS to affect div style inside iframe
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You need JavaScript. It is the same as doing it in the parent page, except you must prefix your JavaScript command with the name of the iframe.
Remember, the same origin policy applies, so you can only do this to an iframe element wh...
AppInventor2中的二进制数据以什么样的形式传递？字节列表、字节数组是什么...
1、byte[] 类型（字节数组）的字段：App Inventor 无法直接处理字节数组，但它们可以作为扩展之间的通用 Object 类型变量进行交换。
MQTT拓展中的字节数组的处理方式就是这种，直接转换成byte[]：
@SimpleFunction(description = "Publishe...