The while statement creates a loop that executes a specific routine while the test condition is evaluated as true. The condition is evaluated before the routine is executed.

while.ts

const mySkills = [
  "C#",
  "JavaScript",
  "TypeScript",
  "HTML",
  "CSS3",
  "Angular",
  "ReactJS",
  "React Native",
  "NodeJs",
  "MongoDB",
  "Python",
  "C",
];

let index = 0;
while (index < mySkills.length) {
  console.log(`${index + 1}. ${mySkills[index]}`);
  index++;
}