JavaScript: Check if an Object Property exists
A lot of warnings in code that I have to maintain often stem from the fact that the initial developer never bothers checking whether or...
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Tag: javascript
jQuery UI Slider Pips: Enhancing jQuery Sliders with Labels and Pips
March 25, 2015
by Craig Lotter
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The jQuery UI user interface library, built on top of the excellent jQuery JavaScript library, includes a pretty neat slider control that allows users to...
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jQuery UI Autocomplete: How to clear the Search Text after Selection
March 24, 2015
by Craig Lotter
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jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. One of the...
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jQuery: How to Break Out of an Each Loop
March 16, 2015
by Craig Lotter
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The ever so useful jQuery javascript library has a homegrown loop function entitled .each(), which allows you to iterate over a jQuery object, and at...
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jQuery: How to Check if an Element has Class ‘X’ or ‘Y’
March 15, 2015
by Craig Lotter
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If you find yourself needing to check whether or not a particular HTML element has a specific class currently assigned to it, you’ll be pleased...
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How to Trigger a jQuery UI Accordion Click Action
August 30, 2013
by Craig Lotter
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The Accordion jQuery UI widget is a great way to present lots of data in a limited space through the use of collapsible panels. If...
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How to Generate a Random Number in JavaScript
August 13, 2013
by Craig Lotter
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Generating a random number in JavaScript is a relatively easy thing – we simply made use of JavaScript’s built in random() function, part of the...
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jQuery: How to Test if a div is Visible
July 17, 2013
by Craig Lotter
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The wonderful jQuery library actually makes it pretty easy for us to test whether or not a div (or pretty much any other element for...
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Javascript: How to Extract a Number from a String
July 4, 2013
by Craig Lotter
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In my web development work, I’m quite fond of using the trick of generating grouped elements by making sure their IDs all share a common...
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JavaScript: How To Trigger at a Specific Time
January 23, 2013
by Craig Lotter
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Sometimes you want your web page to do something at a specific time. For example, perhaps you want your page to force a reload at...
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