get index in foreach javascript code example
Example 1: javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})
Example 2: javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});
Example 3: javascript foreach index
users.forEach((user, index)=>{
console.log(index);
});
Example 4: javascript enumerate with index
const iterable = [...];
for (const [index, elem] in iterable.entries()) {
f(index, elem);
}
iterable.forEach((elem, index) => {
f(index, elem);
});
Example 5: javascript .foreach
let colors = ['red', 'blue', 'green'];
colors.forEach(function(color, idx, sourceArr) {
console.log(color, idx, sourceArr)
});
Example 6: forEach index
const array1 = ['a', 'b', 'c'];
array1.forEach((element, index) => console.log(element, index));