TypeScript | String substr() Method

The split() is an inbuilt function in TypeScript which is used to returns the characters in a string beginning at the specified location through the specified number of characters.

Syntax:

string.substr(start[, length])

Parameter: This method accepts two parameter as mentioned above and described below.: 

• start – This parameter is the location at which to start extracting characters.
• length – This parameter is the number of characters to extract.

Return Value: This method returns the new sub-string. 
Below examples illustrate the String substr() method in TypeScript.

Example 1:

Javascript

<script>
    // Original strings
    var str = "Geeksforgeeks - Best Platform";

    // use of String substr() Method
    var newstr = str.substr(0,5)

    console.log(newstr);
</script>

Output:

Geeks

Example 2:

JavaScript

<script>
    // Original strings
    var str = "Geeksforgeeks - Best Platform";

    // use of String substr() Method
    var newstr = str.substr(0,5)
    console.log(newstr);

    newstr = str.substr(-2,5)
    console.log(newstr);

    newstr = str.substr(12,22)
    console.log(newstr);

    newstr = str.substr(0,1)
    console.log(newstr);
</script>

Output:

Geeks
rm
s - Best Platform
G