How to stop a JavaScript for loop?

Question

I was trying to iterate over an array, whenever it get the element it will return the index i and otherwise it will return -1. Can anyone help me how I can able to do that?

Answer 1

Basically, if you want to stop a for loop, you can use the break statement:

var remSize = [], 

    szString,

    remData,

    remIndex,

    i;

/* ...I assume there's code here putting entries in `remSize` and assigning something to `remData`... */

remIndex = -1; // Set a default if we don't find it

for (i = 0; i < remSize.length; i++) {      

     // I'm looking for the index i, when the condition is true

     if (remSize[i].size === remData.size) {

          remIndex = i;

          break;       // <=== breaks out of the loop early

     }

}

I hope this will help.

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