freeCodeCamp/guide/english/javascript/tutorials/iterate-with-javascript-while-loops/index.md

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Iterate with JavaScript While Loops

Another type of JavaScript loop is called a while loop because it runs while something is true, and stops once that something is no longer true. Unlike the for loop, which is made up of three parts, the while loop only contains a condition statement.

var ourArray = [];
var i = 0;
while(i < 5) {
  ourArray.push(i);
  i++;
}

It is important to remember to increase the variable used in this example, without the addition of i++ the loop would continue forver.