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up vote 0 down vote favorite

This question already has an answer here:

I have an object like

{ a: 2.078467321618,
  b :13521.4,
  c : 4503.9,
  more...}

(In debug mode)

I want to loop through the object and separate key and value; How can I achieve this?

share|improve this question

marked as duplicate by Matthew Blancarte, Chris, Liath, elclanrs, Marijn Mar 14 '14 at 8:28

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
2  
Serious question: Did you try Google? You can copy/paste your title and get more than enough references... – Matthew Blancarte Oct 22 '13 at 5:45
up vote 1 down vote accepted

One more way to do it is to make it via foreach:

for (var key in obj) {
    if (obj.hasOwnProperty(key)) {
        // do something with the key and obj[key], which is val
    }
}

Note: here we check if the key belongs to our object, but not to its prototype via hasOwnProperty method.

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up vote 1 down vote 
Object.keys(obj).forEach(function(key) {
    var val = obj[key];
    ...
});
share|improve this answer
2  
This implies that keys and forEach are implemented which will work in most modern browsers. But for IE you will need IE9 or higher. See kangax.github.io/es5-compat-table for more information on ECMA5 compatibility. – Chris Oct 22 '13 at 5:41
up vote 0 down vote 
Try the following:

for(var key in object){
    var value = object[key];
    //now you have access to "key" and "value"
}
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up vote 0 down vote

try something like this

for(var key in object){
    alert(key);// will give key
    alert(object[key]);// will give value
}
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up vote 0 down vote

It's actually pretty simple:

for (var key in object) {
   // do something with object[key]
}
share|improve this answer
up vote 0 down vote

Try this

var sum = 0;
var obj = {prop1: 5, prop2: 10, prop3: 15};

for each (var item in obj)
{
 sum += item;
}

Result is sum = 5+10+15

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up vote 0 down vote

Try the following code:

var keys=Array();
var values = Array();

for (var key in obj) {
//has own property is checked to bypass inherited properties like prototype    
if (obj.hasOwnProperty(key)) {
    keys.push(key)';
    values.push(obj[key]);

    }
}

//following are the keys and values separated,do whatever you want to do with them 

console.log(keys);
console.log(values);
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up vote 0 down vote

using jquery:

var obj = { a: 2.078467321618, b :13521.4, c : 4503.9 };
var keyArr = [];
var valArr = [];

//iterate obj
$.each(obj, function(k, v) {
    //add items to the keyArr from obj's keys.
    keyArr.push(k);
    //add items to the varArr from obj's keys.
    valArr.push(v);
});

//show the result
alert(keyArr);
alert(valArr);

see the demo: http://jsfiddle.net/bauangsta/KdZrA/

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