foreach จาวาสคริปต์ลูกศรกฟังก์ชัน
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));
จาวาสคริปต์ forEach ลูกศรกฟังก์ชัน
// Arrow function
forEach((element) => { ... } )
forEach((element, index) => { ... } )
forEach((element, index, array) => { ... } )
// Callback function
forEach(callbackFn)
forEach(callbackFn, thisArg)
// Inline callback function
forEach(function callbackFn(element) { ... })
forEach(function callbackFn(element, index) { ... })
forEach(function callbackFn(element, index, array){ ... })
forEach(function callbackFn(element, index, array) { ... }, thisArg)