typescript foreach
let num = [7, 8, 9];
num.forEach(function (value) {
console.log(value);
});typescript foreach
let num = [7, 8, 9];
num.forEach(function (value) {
console.log(value);
});javascript enumerate with index
const iterable = [...];
for (const [index, elem] in iterable.entries()) {
f(index, elem);
}
// or
iterable.forEach((elem, index) => {
f(index, elem);
});javascript foreach index
users.forEach((user, index)=>{
console.log(index); // Prints the index at which the loop is currently at
});foreach jas
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));forEach index
const array1 = ['a', 'b', 'c'];
array1.forEach((element, index) => console.log(element, index));forEach
const arraySparse = [1,3,,7]
let numCallbackRuns = 0
arraySparse.forEach((element) => {
console.log(element)
numCallbackRuns++
})
console.log("numCallbackRuns: ", numCallbackRuns)
// 1
// 3
// 7
// numCallbackRuns: 3
// comment: as you can see the missing value between 3 and 7 didn't invoke callback function.Copyright © 2021 Codeinu
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