JavaScript array_walk
Apply a user function to every member of an array
1 2 3 4 56 7 8 9 1011 12 13 14 1516 17 18 19 2021 22 23 24 2526 27 | function array_walk (array, funcname, userdata) { // Apply a user function to every member of an array // // version: 1008.1718 // discuss at: http://phpjs.org/functions/array_walk // + original by: Johnny Mast (http://www.phpvrouwen.nl) // * example 1: array_walk ({'a':'b'}, 'void', 'userdata'); // * returns 1: true // * example 2: array_walk ('a', 'void', 'userdata'); // * returns 2: false var key; if (typeof array !== 'object' || array === null) { return false; } for (key in array) { if (typeof(userdata) !== 'undefined') { eval(funcname + '( array [key] , key , userdata )' ); } else { eval(funcname + '( userdata ) '); } } return true; } |
Examples
» Example 1
Running
1 | array_walk ({'a':'b'}, 'void', 'userdata'); |
Should return
1 | true |
» Example 2
Running
1 | array_walk ('a', 'void', 'userdata'); |
Should return
1 | false |
Dependencies
No dependencies, you can use this function standalone.
Open syntax issues
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Authors
Thanks to the following developers, you get to have array_walk goodness in JavaScript.
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