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Looping function for Array, Objects and Array-Like
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| function( | |
| a, // Objet or Array to loop into | |
| b, // Function to execute for each element | |
| c, // Boolean to force "Object" behaviour | |
| d, // Placeholders | |
| e | |
| ){ | |
| if( | |
| c // If the "Object" loop is forced | |
| || | |
| (c=a.length) == e // or if there's not any "length" property (let's store it) | |
| ) | |
| for(d in a) // for/in loop | |
| a.hasOwnProperty(d) // with hasOwnProperty check | |
| && | |
| b.call(e=a[d],d,e,a); // Call the function as a method of the item | |
| else | |
| for(d=0;d<c;) // else classic loop | |
| b.call(e=a[d],d++,e,a) // Call the function as a method of the item | |
| } |
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| export function(a,b,c,d,e){if(c||(c=a.length)==e)for(d in a)a.hasOwnProperty(d)&&b.call(e=a[d],d,e,a);else for(d=0;d<c;)b.call(e=a[d],d++,e,a)} |
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| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| Version 2, December 2004 | |
| Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE> | |
| Everyone is permitted to copy and distribute verbatim or modified | |
| copies of this license document, and changing it is allowed as long | |
| as the name is changed. | |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
| 0. You just DO WHAT THE FUCK YOU WANT TO. |
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| { | |
| "name": "loopThemAll", | |
| "description": "Function for looping through Arrays, Objects and Array-Like Objects", | |
| "keywords": [ "loop", "array", "objects", "array-like" ], | |
| "version": "0.1.0" | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Loop'em all - 136 chars</title> | |
| </head> | |
| <body> | |
| <div>Expected value:<br /> | |
| <b> | |
| Array : 0 -> zero, 1 -> one, 2 -> two, <br /> | |
| Object : prop -> value, prop2 -> 154.4, <br /> | |
| Array-Like : 0 -> zero, 1 -> one, <br /> | |
| Array-Like forced as object : 0 -> zero, 1 -> one, length -> 2, | |
| </b> | |
| </div> | |
| <div>Actual value:<br /> <b id="ret"></b></div> | |
| <script> | |
| var each = function(a,b,c,d,e){if(c||(c=a.length)==e)for(d in a)a.hasOwnProperty(d)&&b.call(e=a[d],d,e,a);else for(d=0;d<c;)b.call(e=a[d],d++,e,a)}, | |
| f = function(i, v) { | |
| str += i + ' -> ' + v + ', '; | |
| }, | |
| str = 'Array : '; | |
| each(['zero', 'one', 'two'], f); | |
| str += '<br />Object : '; | |
| each({prop: 'value', prop2: 154.4}, f); | |
| str += '<br />Array-Like : '; | |
| each({0: 'zero', 1: 'one', length: 2}, f); | |
| str += '<br />Array-Like forced as object : '; | |
| each({0: 'zero', 1: 'one', length: 2}, f, true); | |
| document.getElementById('ret').innerHTML = str; | |
| </script> | |
| </body> | |
| </html> |
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