foreach mdn js 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: js for each item do
let array = ['Item 1', 'Item 2', 'Item 3'];
array.forEach(item => {
console.log(item);
});
Example 4: forEach
const arraySparse = [1,3,,7]
let numCallbackRuns = 0
arraySparse.forEach((element) => {
console.log(element)
numCallbackRuns++
})
console.log("numCallbackRuns: ", numCallbackRuns)
Example 5: foreach javascript
arr.forEach(callback(currentValue [, index [, array]])[, thisArg]);