Example: Simple For Loop in JavaScript
<script>
for (x = 0; x < 5; x++) {
document.write("<p>This is a paragraph.</p>");
}
</script>
Output:
This is a paragraph.
This is a paragraph.
This is a paragraph.
This is a paragraph.
This is a paragraph.
Example: JavaScript For Loop with Decrement and Concatenation
<script>
for (x = 5; x > 0; x--) {
document.write("<p>x = " + x + ".</p>");
}
</script>
Output:
x = 5.
x = 4.
x = 3.
x = 2.
x = 1.
Example: JavaScript For Loop
<script>
for (x=1; x < 7; x+=2) {
document.write("<p>x = " + x + ".</p>");
}
</script>
Output:
x = 1.
x = 3.
x = 5.
Example: JavaScript For Loop
<script>
var x = 1;
for (; x < 7;) {
document.write("<p>x = " + x + ".</p>");
x += 2;
}
</script>
Output:
x = 1.
x = 3.
x = 5.