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Array.prototype.forEach
You can't break forEach. So use "some" or "every".
Array.prototype.some
some is pretty much the same as forEach but it break when the callback returns true.
Array.prototype.every
every is almost identical to some except i...
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1224
posted 9 years ago by Waltem
Using underscore.js, you could combine .findWhere with .without
Although, since you are creating a new array in this case anyway, you could simply use _.filter or the native Array.prototype.filter function (just like shown in the other question)....
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4035
posted 9 years ago by Balamir
delete Operator don’t impact the length of Array in JavaScript
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1220
posted 9 years ago by ursdeep
Usage:
var a = ['a','a','a'];
var b = a.AllValuesSame(): //true
var a ['1','1','2'];
var b = a.AllValuesSame(); //false
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2775
posted 11 years ago by uberdragon
The closest to a generic List in javascript.
When calling constructor - new List(Module) - add model in constructor parameter
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948
posted 12 years ago by mikkeldamm
In this purely constructed example, we create anonymous function and use call to invoke it on every object in an array. The main purpose of the anonymous function here is to add a print function to every object, which is able to print the right index...
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1033
posted 13 years ago by hellowouter
Clever usage of apply allows you to use built-ins functions for some tasks that otherwise probably would have been written by looping over the array values. As an example here we are going to use Math.max/Math.min to find out the maximum/minimum valu...
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1469
posted 13 years ago by hellowouter
The usual way to shuffle an array uses the .sort() method with Math.round(Math.random())-0.5
This solution is highly biased based on the sort algorithm used by the browsers. A sort comparison operation has to fulfill the condition "if a>b then b<a"...
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868
posted 13 years ago by devnull69
By not being limited to provide certain arguments/parameters in right order when calling a function, makes the function more versatile and easier to extend without breaking old code (e.g. calls to the function).
One solution is to pass an associati...
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1107
posted 13 years ago by coprolit
source: http://stellapower.net/content/javascript-support-and-arrayindexof-ie/<br>
source: http://www.robsearles.com/2010/03/11/ie-7-indexof-replacement/
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736
posted 13 years ago by shabith
I wanted to pass a form submission (array) as a JSON object to another function.
Some form field were created with JS, to identify them their names have been concatenated with unique IDs, etc.
In order to access values of that JSON obj I needed to...
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posted 14 years ago by iroybot
I wanted to pass a form submission (array) as a JSON object to another function.
Some form field were created with JS, to identify them their names have been concatenated with unique IDs, etc.
In order to access values of that JSON obj I needed to...
0
1044
posted 14 years ago by iroybot
Quick and easy javascript in_array function. It's not perfect, but if you need something quick, this is it.
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717
posted 14 years ago by cornellsteven
This function automates the creation of the <OPTION>s of a <SELECT> element. It's ideal for your AJAX apps when you create display elements using Javascript
It accepts to different kind of arrays:
An array of key:values…
var arrDirs = {...
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772
posted 14 years ago by nomada
Simple function that filters out any duplicate items in an array.
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posted 14 years ago by Nettuts
Simply pass in array name and the value of the item you want to remove
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posted 14 years ago by myke
This JavaScript code snippet checks each integer in an array. If necessary, one or more leading zeros are added to an integer. Note that each integer becomes a string.
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835
posted 14 years ago by DADU