Question

How to break from forEach loop in TypeScript

Answer 1

const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
 
arr.forEach(item => {
  console.log(item);
   
  if (item == 5) {
      arr.length = 0; // Break
  }
})
 
 
 
 
/*
run:
 
1
2
3
4
5
 
*/

 

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Answer 2

let Break = {};
 
const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
 
try {  
    arr.forEach(item => {
        console.log(item);
        if (item == 5) {
            throw Break;
        }
    });
} catch (e) {
    if (e !== Break) throw e;
}
 
 
 
 
 
/*
run:
 
1
2
3
4
5
 
*/

 

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