Table of Contents
Ceil
5
<script type="litespeed/javascript">a=4.01;b=Math.ceil(a);document.write(b)</script>
Charat
9
var str = "9971486942";
var charPosition = 9;
if (charPosition >= 0 && charPosition < str.length) {
var char = str.charAt(charPosition - 1);
document.write(char);
} else {
document.write("Position out of range");
}
Charcode
A
<script type="litespeed/javascript">var res=String.fromCharCode(65);document.write(String.fromCharCode(65));document.write("<br>"+res)</script>
CharCodeAt
65
90
<script>var str="A";
var str1="Z"; document.write(str.charCodeAt(0)+"<br>");
document.write(str1.charCodeAt(0));
<!--code of specific character</script>
Concatenate
sanjayjain
sanjay jain
<script type="litespeed/javascript">var a="sanjay";var b="jain";var c=a.concat(b);document.write(c+"<br>");var d=a+" "+b;document.write(d)</script>
Floor
4
<script type="litespeed/javascript">a=4.999999;b=Math.floor(a);document.write(b)</script>
IndexOf
2
<script type="litespeed/javascript">var str="aj@ay";document.write(str.indexOf("@"))</script>
LastIndexOf
12
<script type="litespeed/javascript">var str="sanjay kumar jain";document.write(str.lastIndexOf(" "))</script>
length
8
<script type="litespeed/javascript">var mob="abcdefgh";var a=mob.length;document.write(a+"<br>")</script>
Lower case
hello world!
<script type="litespeed/javascript">var txt="Hello world!";document.write(txt.toLowerCase())</script>
Not a Number
plz enter (a-z)
<script type="litespeed/javascript">var txt=123;if(isNaN(txt)){document.write("correct")}else{document.write("plz enter(a-z)")}</script>
PI
3.141592653589793
<script type="litespeed/javascript">c=Math.PI;document.write(Math.PI)</script>
Round
4
<script type="litespeed/javascript">a=4.49999999;b=Math.round(a);document.write(b)</script>
Upper case
HELLO WORLD!
<script type="litespeed/javascript">var txt="Hello world!";document.write(txt.toUpperCase())</script>
