for java script code example

Example 1: javascript for loop

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

Example 2: js for

for (let step = 0; step < 5; step++) {
  // Runs 5 times, with values of step 0 through 4.
  console.log(step);
}
0
1
2
3
4

Example 3: cuando usar for en js

for ([expresion-inicial]; [condicion]; [expresion-final])sentencia