js create array from for loop

1var colors = ["red","blue","green"];
2for (var i = 0; i < colors.length; i++) {
3    console.log(colors[i]);
4}

1var colors = ['red', 'green', 'blue'];
2	
3	colors.forEach((color, colorIndex) => {
4     console.log(colorIndex + ". " + color); 
5    });

1var colors = ["red", "green", "blue"];
2for(var i = 0; i < colors.length; i++){
3	console.log(colors[i]);
4}

1var yearStart = 2000;
2var yearEnd = 2040;
3
4var arr = [];
5
6for (var i = yearStart; i < yearEnd+1; i++) {
7    arr.push(i);
8}
9

1const myArray = [6, 19, 20];const yourArray = [19, 81, 2];for (let i = 0; i < myArray.length; i++) {  for (let j = 0; j < yourArray.length; j++) {    if (myArray[i] === yourArray[j]) {      console.log('Both loops have the number: ' + yourArray[j])    }  }};

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