break and continue
<html>
<body>
<script type = "text/javascript">
<!--
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>
<p>Set the variable to different value and then try...</p>
</body>
</html>
Output
Entering the loop
2
3
4
5
Exiting the loop!
Set the variable to different value and then try...
<html>
<body>
<script type = "text/javascript">
<!--
var x = 1;
document.write("Entering the loop<br /> ");
while (x < 10) {
x = x + 1;
if (x == 5) {
continue; // skip rest of the loop body
}
document.write( x + "<br />");
}
document.write("Exiting the loop!<br /> ");
//-->
</script>
<p>Set the variable to different value and then try...</p>
</body>
</html>
Output
Entering the loop
2
3
4
6
7
8
9
10
Exiting the loop!
Set the variable to different value and then try...
<html>
<body>
<script type = "text/javascript">
<!--
document.write("Entering the loop!<br /> ");
outerloop: // This is the label name
for (var i = 0; i < 5; i++) {
document.write("Outerloop: " + i + "<br />");
innerloop:
for (var j = 0; j < 5; j++) {
if (j > 3 ) break ; // Quit the innermost loop
if (i == 2) break innerloop; // Do the same thing
if (i == 4) break outerloop; // Quit the outer loop
document.write("Innerloop: " + j + " <br />");
}
}
document.write("Exiting the loop!<br /> ");
//-->
</script>
</body>
</html>
Output
Entering the loop!
Outerloop: 0
Innerloop: 0
Innerloop: 1
Innerloop: 2
Innerloop: 3
Outerloop: 1
Innerloop: 0
Innerloop: 1
Innerloop: 2
Innerloop: 3
Outerloop: 2
Outerloop: 3
Innerloop: 0
Innerloop: 1
Innerloop: 2
Innerloop: 3
Outerloop: 4
Exiting the loop!
<html>
<body>
<script type = "text/javascript">
<!--
document.write("Entering the loop!<br /> ");
outerloop: // This is the label name
for (var i = 0; i < 3; i++) {
document.write("Outerloop: " + i + "<br />");
for (var j = 0; j < 5; j++) {
if (j == 3) {
continue outerloop;
}
document.write("Innerloop: " + j + "<br />");
}
}
document.write("Exiting the loop!<br /> ");
//-->
</script>
</body>
</html>
Output
Entering the loop!
Outerloop: 0
Innerloop: 0
Innerloop: 1
Innerloop: 2
Outerloop: 1
Innerloop: 0
Innerloop: 1
Innerloop: 2
Outerloop: 2
Innerloop: 0
Innerloop: 1
Innerloop: 2
Exiting the loop!
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