Answers for "array foreach use index"

131

javascript foreach

const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
	console.log(index, item)
})
Posted by: Guest on April-27-2020
1

javascript enumerate with index

const iterable = [...];
for (const [index, elem] in iterable.entries()) {
  f(index, elem);
}

// or
iterable.forEach((elem, index) => {
  f(index, elem);
});
Posted by: Guest on May-23-2020
3

forEach index

const array1 = ['a', 'b', 'c'];

array1.forEach((element, index) => console.log(element, index));
Posted by: Guest on September-09-2020
2

js get index from foreach

var myArray = [123, 15, 187, 32];

myArray.forEach(function (value, i) {
    console.log('%d: %s', i, value);
});

// Outputs:
// 0: 123
// 1: 15
// 2: 187
// 3: 32
Posted by: Guest on December-22-2020

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