How to Break Out of a Foreach Loop Javascript?

There are two methods for breaking out of a loop. First, you could check if the value of the counter variable is equal to the length of the array. If it is, then there's nothing more in the array and you have found all the values you needed. The second method requires you to set a certain condition that must be true in order to break out of a loop.

javascript break foreach

on Jan 01, 1970

//break out of for loop
for (i = 0; i < 10; i++) {
    if (i === 3) { break; }
}

0

foreach break js

on Jan 01, 1970

var BreakException = {};

try {
  [1, 2, 3].forEach(function(el) {
    console.log(el);
    if (el === 2) throw BreakException;
  });
} catch (e) {
  if (e !== BreakException) throw e;
}

0

javascript fore each break example

on Jan 01, 1970

The for…of loop would be the preferred solution to this problem. It provides clean easy to read syntax and also lets us use break once again. 

let data = [
    {name: 'Rick'},{name: 'Steph'},{name: 'Bob'}
  ]

for (let obj of data) {
  console.log(obj.name)
  if (obj.name === 'Steph') break;

0

Whether you're a developer or a dev-in-training, knowing how to manage foreach loops can help you better understand the logic behind coding. With that knowledge, your programs will inevitably become more efficient and well-completed.

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