Javascript Element How to - Change div background colour based on a value








Question

We would like to know how to change div background colour based on a value.

Answer


<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'>
window.onload=function(){<!--  www .  j  ava 2  s. c  o  m-->
    var actualchoices = 1
    var scorecolor;
    if (actualchoices >= 1) {
        scorecolour = document.getElementById("main");
        scorecolour.style.backgroundColor = "green"
    } else {
        scorecolour = document.getElementById("main");
        scorecolour.style.backgroundColor = "red"
    }
}
</script>
</head>
<body>
  <div id="main">test</div>
</body>
</html>

The code above is rendered as follows: