CODEWITHSUNDEEP
javascriptarrays
Chris
Chris

Reputation: 1654

For loop loops through every character from array

I'm having some trouble with my array.

It loops through every character of the array, so including the [ and ".

My code:

for (var i = 0; i < array.length; i++) {
   alert(array[i]);
   //Do something
}

The array looks like this: ["1", "2", "1"]

Upvotes: 0

Views: 161

Answers (4)

mplungjan
mplungjan

Reputation: 178094

Converting comment to answer.

Understanding that you had a string representation of an array, you can convert it to array using JSON.parse

var arrayString='["1", "2", "1"]',
    array = JSON.parse(arrayString);
for (var i = 0; i < array.length; i++) {
   console.log(array[i]);
   //Do something
}

Upvotes: 2

Mannan Bahelim
Mannan Bahelim

Reputation: 1355

If the browser has the JSON object then

JSON.parse(string);

or if you have jQuery

$.parseJSON(string);

Source : https://stackoverflow.com/a/9420607/5326667

Upvotes: 0

PDK
PDK

Reputation: 138

You are looping a string and thus it shows characters of the string. You might want to convert the string into an array before looping. The best way will be to use JSON.parse function.

// Add this
array = JSON.parse(array);
for (var i = 0; i < array.length; i++) {
alert(array[i]);
//Do something
}

Upvotes: 2

MAREESKANNNAN RAJENDRAN
MAREESKANNNAN RAJENDRAN

Reputation: 557

use this

array=JSON.parse(array);
for (var i = 0; i < array.length; i++) {
   alert(array[i]);
   //Do something
}

Upvotes: 1

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