The substring() is an inbuilt function in TypeScript which is used to return the subset of a String object.
Syntax:
string.substring(indexA, [indexB])
Parameter: This method accepts two parameter as mentioned above and described below:
- indexA : This parameter is the integer between 0 and one less than the length of the string.
- indexB : This parameter is the integer between 0 and length of the string.
Return Value: This method returns the subset of a String object.
Below example illustrate the String substring() method in TypeScript.
Example 1:
JavaScript
<script> // Original strings var str = "Geeksforneveropen - Best Platform"; // use of String substring() Method var newstr = str.substring(0,5) console.log(newstr);</script> |
Output:
Geeks
Example 2:
JavaScript
<script> // Original strings var str = "Geeksforneveropen - Best Platform"; // use of String substring() Method var newstr = str.substring(0,5) console.log(newstr); newstr = str.substring(-2,5) console.log(newstr); newstr = str.substring(12,22) console.log(newstr); newstr = str.substring(0,1) console.log(newstr);</script> |
Output:
Geeks Geeks s - Best P G
