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Explain the encapsulated anonymous function syntax
...he reasoning behind the syntax for encapsulated anonymous functions in JavaScript? Why does this work: (function(){})(); but this doesn't: function(){}(); ?
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window.onload vs
...me event. Using window.onload is less obtrusive though - it takes your JavaScript out of the HTML.
All of the common JavaScript libraries, Prototype, ExtJS, Dojo, JQuery, YUI, etc. provide nice wrappers around events that occur as the document is loaded. You can listen for the window onLoad event, ...
How to have jQuery restrict file types on upload?
... checking with PHP already. I am running my submit button through a JavaScript function already so I really just need to know how to check for the file types before submit or alert.
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How do I update pip itself from inside my virtual environment?
...ke that: python -m pip install --upgrade pip to avoid running pip.exe from scripts directory.
– bialix
Feb 19 '14 at 14:47
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Get selected value of a dropdown's item using jQuery
...ck(function(){
alert($('#combo :selected').text());
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select id="combo">
<option value="1">Test 1</option>
<option value="2">Test 2</option>
&l...
Simplest SOAP example
What is the simplest SOAP example using Javascript?
13 Answers
13
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Class vs. static method in JavaScript
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First off, remember that JavaScript is primarily a prototypal language, rather than a class-based language1. Foo isn't a class, it's a function, which is an object. You can instantiate an object from that function using the new keyword which will allow y...
POST data in JSON format
...ome data that I need to convert to JSON format and then POST it with a JavaScript function.
4 Answers
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How can I round down a number in Javascript?
How can I round down a number in JavaScript?
11 Answers
11
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How to create a JavaScript callback for knowing when an image is loaded?
... I guess it would only be an issue for parallel code, which most javascript probably isn't..
– Thomas Ahle
Jan 10 '17 at 21:20
4
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