Javascript Browser Window clearInterval() Method create progress bar

Introduction

Using setInterval() and clearInterval() to create a dynamic progress bar:

View in separate window 

<!DOCTYPE html>
<html>
<style>
#myProgress {// w  w  w .j ava2  s.  com
  width: 100%;
  height: 30px;
  position: relative;
  background-color: #ddd;
}

#myBar {
  background-color: #4CAF50;
  width: 10px;
  height: 30px;
  position: absolute;
}
</style>
<body>

<h1>JavaScript Progress Bar</h1>

<div id="myProgress">
  <div id="myBar"></div>
</div>

<br>
<button onclick="move()">Click Me</button>

<script>
function move() {
  var elem = document.getElementById("myBar");
  var width = 0;
  var id = setInterval(frame, 10);
  function frame() {
    if (width == 100) {
      clearInterval(id);
    } else {
      width++;
      elem.style.width = width + '%';
    }
  }
}
</script>

</body>
</html>



PreviousNext

Related