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How do I make an HTML text box show a hint when empty?
...ry plugin called jQuery HTML5 Placeholder, and then just add the following JavaScript code to enable it.
$('input[placeholder], textarea[placeholder]').placeholder();
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Does JavaScript guarantee object property order?
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Property order in normal Objects is a complex subject in Javascript.
While in ES5 explicitly no order has been specified, ES2015 has an order in certain cases. Given is the following object:
o = Object.create(null, {
m: {value: function() {}, enumerable: true},
"2": {value: "...
Deleting array elements in JavaScript - delete vs splice
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@tomwrong, there are no threads in javascript, and the function executes this.push.apply(this, rest), then returns the value it returned
– billy
Apr 4 '13 at 12:00
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Find JavaScript function definition in Chrome
...t one thing they don't seem to have (that I could find) is a way to find a JavaScript function's definition. This would be super handy for me because I'm working on a site that includes many external JS files. Sure grep solves this but in the browser would be much better. I mean, the browser has to ...
Remove whitespaces inside a string in javascript
I've read this question about javascript trim, with a regex answer.
4 Answers
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In JavaScript, does it make a difference if I call a function with parentheses?
...assigns the actual function to window.onload - this is possible because in JavaScript, as @Felix says, functions are first class objects - without executing it. initAll will be executed by the load event.
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How can I expand and collapse a using javascript?
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So, first of all, your Javascript isn't even using jQuery. There are a couple ways to do this. For example:
First way, using the jQuery toggle method:
<div class="expandContent">
<a href="#">Click Here to Display More Content...
How to build query string with Javascript
Just wondering if there is anything built-in to Javascript that can take a Form and return the query parameters, eg: "var1=value&var2=value2&arr[]=foo&arr[]=bar..."
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Private properties in JavaScript ES6 classes
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To expand on @loganfsmyth's answer:
The only truly private data in JavaScript is still scoped variables. You can't have private properties in the sense of properties accessed internally the same way as public properties, but you can use scoped variables to store private data.
Scoped variabl...
JavaScript blob filename without link
How do you set the name of a blob file in JavaScript when force downloading it through window.location?
8 Answers
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