Page 236 - Web_Application_v2.0_C12_Fb
P. 236
Output:
Traversing Through an Array—Using the for loop
The for loop can be used to iterate over an array and access each array element.
Example 44: To demonstrate how to traverse an array
<!DOCTYPE HTML>
<HTML>
<HEAD>
<TITLE>Accessing Array Elements</TITLE>
</HEAD>
<body>
<H2>JavaScript Arrays</H2>
<P>Using for loop for traversing an array.</p>
<font color=blue>
<SCRIPT>
const fruits = ["pineapple", "pear", "jackfruit", "strawberry"];
for (i=0;i<fruits.length;i++)
document.write(fruits[i]+"<br>");
</SCRIPT>
</FONT>
</BODY>
</HTML>
Output:
In the above example, the for loop uses the counter ‘i’ as index value to access each element.
If we try accessing a non-existent array index, we get undefined
234 Touchpad Web Applications (Ver. 2.0)-XII

