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formariz/object.length.js

Created May 15, 2014 19:44
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Object length
Raw
object.length.js
Object.prototype.length = function() {
var count = 0, key;
for (key in this) {
if (this.hasOwnProperty(key)) count++;
}
return count;
}
/**
* Example of use
**/
// Create the object
var myObject = new Object({ 100: "a", 28: "b", 71: "c"});
// Alert length of Object
alert(myObject.length()); // return 3
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