Answers for "why use loops in javascript"

220

js loop

var colors=["red","blue","green"];
for (let i = 0; i < colors.length; i++) { 
  console.log(colors[i]);
}
Posted by: Guest on June-17-2019
12

javascript loop

let array = ['Item 1', 'Item 2', 'Item 3'];

// Here's 4 different ways
for (let index = 0; index < array.length; index++) {
  console.log(array[index]);
}

for (let index in array) {
  console.log(array[index]);
}

for (let value of array) {
  console.log(value); // Will each value in array
}

array.forEach((value, index) => {
  console.log(index); // Will log each index
  console.log(value); // Will log each value
});
Posted by: Guest on March-25-2020
0

How to Make a Loop in javascript

for (let i = 0; i < cars.length; i++) { 
  text += cars[i] + "<br>";

 }
Posted by: Guest on July-29-2021
-1

JavaScript Loop

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Basic for loop example improved</title>
    <style>

    </style>
  </head>
  <body>

  <p></p>


    <script>
    const cats = ['Bill', 'Jeff', 'Pete', 'Biggles', 'Jasmin'];
    let info = 'My cats are called ';
    const para = document.querySelector('p');

    for(let i = 0; i < cats.length; i++) {
      if(i === cats.length - 1) {
        info += 'and ' + cats[i] + '.';
      } else {
        info += cats[i] + ', ';
      }
    }

    para.textContent = info;

    </script>

  </body>
</html>
Posted by: Guest on July-13-2021

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