String Methods
JavaScript String charAt(index) Method:
- CharAt() method returns the character at the given index.
Example:
<script>
var str = "javascript";
document.write(str.charAt(2));
</script>
Output:
v
JavaScript String concat(str) Method:
- String concat(str) method concatenates or joins two strings.
Example:
<script>
var s1 = "javascript ";
var s2 = "concat example";
var s3 = s1.concat(s2);
document.write(s3);
</script>
Output:
javascript concat example
JavaScript String indexOf(str) Method:
- The JavaScript String indexOf(str) method returns the index position of the given string
Example:
<script>
var s1="javascript from javatpoint indexof";
var n=s1.indexOf("from");
document.write(n);
</script>
Output:
11
JavaScript String lastIndexOf(str) Method:
- The JavaScript String lastIndexOf(str) method returns the last index position of the given string.
Example:
<script>
var s1 = "javascript from javatpoint indexof";
var n = s1.lastIndexOf("java");
document.write(n);
</script>
Output:
16