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preventDefault() on an tag
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Set the href attribute as href="javascript:;"
<ul class="product-info">
<li>
<a href="javascript:;">YOU CLICK THIS TO SHOW/HIDE</a>
<div class="toggle">
<p>CONTENT TO SHOW/HIDE</p>
</div>
</li&g...
Is there a “null coalescing” operator in JavaScript?
...he assignment will use the second operand. Beware of all the cases below:
alert(Boolean(null)); // false
alert(Boolean(undefined)); // false
alert(Boolean(0)); // false
alert(Boolean("")); // false
alert(Boolean("false")); // true -- gotcha! :)
This means:
var whatIWant = null || new ShinyObject...
How to find the operating system version using JavaScript?
How can I find the OS name and OS version using JavaScript?
13 Answers
13
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jQuery multiple events to trigger the same function
...ation is important, and may (or may not) be required depending on when the script is loaded / run, and if the elements exist in the DOM at the time the script is loaded / run.
– random_user_name
Jan 11 '17 at 16:57
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AngularJS validation with no enclosing
...set="utf-8" />
<title>AngularJS Plunker</title>
<script>document.write('<base href="' + document.location + '" />');</script>
<link rel="stylesheet" href="style.css" />
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.5/angula...
Why can I add named properties to an array as if it were an object?
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var myArray = Array();
myArray['A'] = "Athens";
myArray['B'] = "Berlin";
alert(myArray.length);
This won't display '2', but '0' - effectively, no elements have been added to the array, just some new properties added to the array object.
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How to select last two characters of a string
... slice() reference : developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Offirmo
Oct 30 '13 at 9:20
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How can I know which radio button is selected via jQuery?
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alert($('input[name=radioName]:checked', '#myForm').val());
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form id="myForm">
<input type="radio" name="radioName" value="1" /> 1 <br />
<input type="radio" na...
Iterate through options
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$("#selectId > option").each(function() {
alert(this.text + ' ' + this.value);
});
http://api.jquery.com/each/
http://jsfiddle.net/Rx3AP/
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How to use underscore.js as a template engine?
I'm trying to learn about new usages of javascript as a serverside language and as a functional language. Few days ago I heard about node.js and express framework. Then I saw about underscore.js as a set of utility functions. I saw this question on stackoverflow
. It says we can use underscore.js ...