javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});foreach javascript
var array = ["a","b","c"];
// example 1
for(var value of array){
console.log(value);
value += 1;
}
// example 2
array.forEach((item, index)=>{
console.log(index, item)
})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.forEach javascript
const fruits = ['mango', 'papaya', 'pineapple', 'apple'];
fruits.forEach(function(fruit){
console.log('I want to eat a ' + fruit)
});javascript foreach
arr.forEach(function callback(currentValue, index, array) {
// tu iterador
}[, thisArg]);Copyright © 2021 Codeinu
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