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Javascript - get array of dates between 2 dates
...you will be puzzled why it works just the first time. This happens because javascripts passes objects by reference so the function ends up using the startDate twice (which is allready mutated). Patching the above fix ensures that you are wroking with new and unique moment js objects in function scop...
Javascript reduce on array of objects
...d you could end up with creepy runtime errors.
3 - Respect the Functors
-- JavaScript shines best when its inner functional child is unleashed. In the functional world, there is a standard on how you "fold" or reduce an array. When you fold or apply a catamorphism to the array, you take the values o...
Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
In order to duplicate an array in JavaScript: which of the following is faster to use?
22 Answers
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Javascript roundoff number to nearest 0.5
Can someone give me an idea how can i round off a number to the nearest 0.5.
I have to scale elements in a web page according to screen resolution and for that i can only assign font size in pts to 1, 1.5 or 2 and onwards etc.
...
Adding options to select with javascript
I want this javascript to create options from 12 to 100 in a select with id="mainSelect", because I do not want to create all of the option tags manually. Can you give me some pointers? Thanks
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JavaScript closure inside loops – simple practical example
...run each one to see
funcs[j]();
}
Since there is no block scope in JavaScript - only function scope - by wrapping the function creation in a new function, you ensure that the value of "i" remains as you intended.
sha...
JavaScript before leaving the page
...
This will alert on leaving current page
<script type='text/javascript'>
function goodbye(e) {
if(!e) e = window.event;
//e.cancelBubble is supported by IE - this will kill the bubbling process.
e.cancelBubble = true;
e.returnValue = 'You sure you want to leave?'; /...
How to perform mouseover function in Selenium WebDriver using Java?
...igger hovering using the following code with Selenium 2 Webdriver:
String javaScript = "var evObj = document.createEvent('MouseEvents');" +
"evObj.initMouseEvent(\"mouseover\",true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);" +
"argum...
CSS text-transform capitalize on all caps
...
There is no way to do this with CSS, you could use PHP or Javascript for this.
PHP example:
$text = "ALL CAPS";
$text = ucwords(strtolower($text)); // All Caps
jQuery example (it's a plugin now!):
// Uppercase every first letter of a word
jQuery.fn.ucwords = function() {
ret...
Are trailing commas in arrays and objects part of the spec?
Are trailing commas standard in JavaScript, or do most browsers like Chrome and Firefox just tolerate them?
6 Answers
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