Jan 25, 2012 · You're always pushing a reference to the same array into your super-array. To solve that problem, you can use slice () to clone the sub-array before pushing it: var sub_array …

Apr 13, 2016 · Move the object declaration inside the loop to create a new object in each iteration. var obj = {}; // <---- Move declaration inside loop. obj['data'] = fruits[i]; obj['label'] = label; …

Feb 1, 2024 · JavaScript allows us to push an object into an array using a for-loop. This process consists of iterating over the sequence of values or indices using the for-loop and using an …

You need to change your for loop from i <= data.length to i < data.length. This will ensure that the i variable will always be within the bounds of the array. Considering that the index is zero …

Apr 15, 2025 · The for...of loop is a modern way to loop through arrays in JavaScript. It iterates directly over the values of the array, which makes the syntax more concise and easier to …

Jul 12, 2024 · You can use a for loop to populate an array with elements. Determine how many elements you want in the array. This could be a fixed number or a variable that's determined at …

Mar 21, 2022 · To push the object to an array in JavaScript for loop push, you have to create a new object in each iteration. When creating a new object using the key and value. var arr = []; …

Sep 10, 2018 · Yes, it is an infinte loop. Everytime you push a new element into the array, its length increases by 1. So when the loop condition i<arr.length is re-assessed, it never …

The push() method adds new items to the end of an array. The push() method changes the length of the array. The push() method returns the new length.

Dec 6, 2013 · if (array[i]) { truthyValues.push(array[i]); } Since you want to check for truthiness of each array element, just put array[i] in the if block. That gets the value of the array at i , and …