javascript - Message: Object doesn't support this property or method - Stack Overflow

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I am having following error when i open my site on IE 8,

Message: Object doesn't support this property or method
Line: 25
Char: 13
Code: 0
URI: mycode.js

mycode.js FILE CODE

var LstCompanies = Object.keys(msg);
if (LstCompanies.length > 0) {

any ideas

I am having following error when i open my site on IE 8,

Message: Object doesn't support this property or method
Line: 25
Char: 13
Code: 0
URI: mycode.js

mycode.js FILE CODE

var LstCompanies = Object.keys(msg);
if (LstCompanies.length > 0) {

any ideas

• javascript
• internet-explorer

Share Improve this question Follow edited Dec 20, 2013 at 13:54 thefourtheye 240k5353 gold badges466466 silver badges501501 bronze badges asked Jun 26, 2013 at 9:32 user2350607user2350607 1311 silver badge55 bronze badges

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2 Answers 2

Sorted by: Reset to default 5

Object.keys doesnt supported in IE. Here is the safer implementation which is patible with all browsers..

Object.keys = Object.keys || function(o) { 
    var keysArray = []; 
    for(var name in o) { 
        if (o.hasOwnProperty(name)) 
          keysArray.push(name); 
    } 
    return keysArray; 
};

Your browser (let me guess, it's Internet Exploder on WinXP?) does not support Object.keys

Iterate the old-fashioned way over the object instead.

for (var i in msg){
   msg.hasOwnProperty(i){
      // Here you have your keys
   }
}

or use the shim mentioned in the MDN article.

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