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Showing posts with label javascript. Show all posts
Showing posts with label javascript. Show all posts
Saturday, August 16, 2014

get head content of page with jquery

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You can use this code: With Jquery $("head") //for example: alert($("head").html()); With JS: var headContent = d...
Monday, July 21, 2014

auto refresh for every 5 mins in Javascript

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We can do this function with just html  or just javascript Refresh document every 300 seconds using HTML Meta tag add this in...
Sunday, June 1, 2014

jQuery javascript regex Replace br tag with \n

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var str = document.getElementById('mydiv').innerHTML; document.getElementById('mytextarea').innerHTML = str.replace(/<br\...
Monday, May 19, 2014

disable selected options by jQuery

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This will disable/enable the options when you select/remove them, respectively. $("#theSelect").change(function(){ ...
Monday, May 5, 2014

JavaScript QR Code Reader

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I'm doing a bit of preliminary research on an upcoming project and I have a quick question that I figure I'll throw up here while I...
Monday, April 14, 2014

10 Mobile Touch Javascript Frameworks

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Mobile development is not an easy job for a developer who doesn’t know about the latest technologies, updates and trends that’s why mobile d...
Friday, April 4, 2014

jquery disable form submit on enter

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You can disable button on Submit but user can Enter to submit. So you i use this code: I have the following javascript in my page ...
Tuesday, March 25, 2014

javascript replace only first instance .replace?

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I have this var date = $(' #Date ').val(); this get the value in the textbox what would look like this 12/31/2009 Now I do ...
Friday, March 7, 2014

Tutorial Word Count Bookmarklet

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Add to bookmarks bar, select text, click it to get the word count. <a href="javascript:(function(){var%20t;if%20(window.getSelectio...

Tutorial Viewport Size, Screen Resolution, Mouse Postition

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This code is cross-browser compatible and checks the dimensions of the viewport, the screen resolution and the mouseposition which can be qu...

Tutorial Validate HTML Bookmarklet

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javascript:(function(){%20function%20fixFileUrl(u)%20{%20var%20windows,u;%20windows%20=%20(navigator.platform.indexOf("Win")%20!=%...

Tutorial Unescape HTML in JS

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function htmlDecode(input){ var e = document.createElement('div'); e.innerHTML = input; return e.childNodes.length === 0 ? ...

Tutorial Trim First/Last Characters in String

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Remove last four characters var myString = "abcdefg"; var newString = myString.substr(0, myString.length-4); // newString is n...

Tutorial Toggle (Show/Hide) Element

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<script type="text/javascript"> <!-- function toggle_visibility(id) { var e = document.getElementById(id); ...

Tutorial Test if Mac or PC with JavaScript

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User Agent testing sucks, but sometimes you need it for subtle things. In my case I was using it to adjust what I was showing for keyboard s...

Tutorial Test if Element Supports Attribute

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Not all browsers support all attributes on all elements. There are a number of new attributes in HTML5, so the idea of testing to see what k...

Tutorial Test if dragenter/dragover Event Contains Files

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HTML5 drag and drop is great for handling file uploads. But if that's the only thing you are using it for, it's nice to know if any ...

Tutorial Test for Internet Explorer in JavaScript

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var isMSIE = /*@cc_on!@*/0; if (isMSIE) { // do IE-specific things } else { // do non IE-specific things } Reference UR...

Tutorial Support Tabs in Textareas

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Normally the tab key moves to the next focusable thing. This inserts a tab character in instead. HTMLTextAreaElement.prototype.getCaretPosi...

Tutorial Strip Whitespace From String

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Whitespace, meaning tabs and spaces. // Remove leading and trailing whitespace // Requires jQuery var str = " a b c d e f g ...