javascript range loop 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: for loop javascript

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

Example 3: 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);
    }

Example 4: javascript create range with a loop

function createRange(min, max) {
    var range = [];
    for (let i = min; i <= max; i++) {
        range.push(i);
    }
    return range;
}

createRange(1, 5)
// => [1, 2, 3, 4, 5]

Example 5: for of loop syntax javascript

for (let step = 0; step < 5; step++) {
  // Runs 5 times, with values of step 0 through 4.
  console.log('Walking east one step');
}

Example 6: for in range javascript

function* range(start=0, end=null, step=1) {
  if (end == null) {
    end = start;
    start = 0;
  }

  for (let i=start; i < end; i+=step) {
    yield i;
  }
}