Answers for "what is js for"

javascript for loop

var colors=["red","blue","green"];
for (let i = 0; i < colors.length; i++) { 
  console.log(colors[i]);
}

js for loop

var i; //defines i
for (i = 0; i < 5; i++) { //starts loop
  console.log("The Number Is: " + i); //What ever you want
}; //ends loop
//Or:
console.log("The Number Is: " + 0);
console.log("The Number Is: " + 1);
console.log("The Number Is: " + 2);
console.log("The Number Is: " + 3);
console.log("The Number Is: " + 4);
//They do the same thing!
//Hope I helped!

for loop javascript

var i;
for (i = 0; i < 10 ; i++) {
  //do something
}

for loop javascript

var listItem = [
        {name: 'myName1', gender: 'male'},
        {name: 'myName2', gender: 'female'},
        {name: 'myName3', gender: 'male'},
        {name: 'myName4', gender: 'female'},
      ]

    for (const iterator of listItem) {
        console.log(iterator.name+ ' and '+ iterator.gender);
    }