The break statement is used to exit a loop early, breaking out of the enclosing curly braces.
Example
You can try to run the following code to learn how to use the break statement to come out of a loop
Live Demo
<html>
<body>
<script>
var x = 1;
document.write("Entering the loop<br /> ");
while (x < 20) {
if (x == 5) {
break; // breaks out of loop completely
}
x = x + 1;
document.write( x + "<br />");
}
document.write("Exiting the loop!<br /> ");
</script>
</body>
</html>