Page 384 - Web_Application_v2.0_C12_Fb
P. 384
processarray(arr1)
</SCRIPT>
</PRE>
</BODY>
</HTML>
Output of the preceding code is as follows:
16. Create a webpage with the following specifications:
Consider the following code:
var colors = ["Red", "Green", "Blue", "Yellow"];
var shapes = ["Circle", "Square", "Triangle"];
Write JavaScript code to:
• Add the item "Purple" to the beginning of the colors array using the unshift() method.
• Join the colors array elements into a string using the join() method.
• Delete the second element from the colors array using the delete operator.
• Concatenate the shapes array to the colors array using the concat() method.
Ans. <!DOCTYPE html>
<HTML>
<HEAD>
<TITLE>Array Operations</TITLE>
</HEAD>
<BODY>
<H2>Array Operations</H2>
<BUTTON onclick="performOperations()">Perform Operations</BUTTON>
<DIV id="result"></DIV>
<SCRIPT>
function performOperations() {
var colors = ["Red", "Green", "Blue", "Yellow"];
var shapes = ["Circle", "Square", "Triangle"];
var colorsString = colors.join(", ");
382 Touchpad Web Applications (Ver. 2.0)-XII

