Page 381 - Web_Application_v2.0_C12_Fb
P. 381
12. Write JavaScript code to extract “apple” from the string “pineapple”.
Ans. <!DOCTYPE html>
<HTML>
<HEAD>
<TITLE>Working with strings</TITLE>
</HEAD>
<BODY>
<H1>Extracting a substring from the string "pineapple"</H1>
<SCRIPT>
var str1 = "pineapple";
var nstr = str1.substring(4, 9);
document.write("The extracted string is "+"<U>"+nstr+"</U>");
</SCRIPT>
</BODY>
</HTML>
Output of the preceding code is as follows:
13. Write JavaScript code to do the following:
a. Create an array of five fruits.
b. Add the fruit “Dragonfruit” to the array.
c. Display the entire array.
Ans. <!DOCTYPE html>
<HTML>
<HEAD>
<TITLE>Working with Arrays</TITLE>
</HEAD>
<BODY>
<H1>Working with Arrays</H1>
<SCRIPT>
Practical Work 379

