How to use.lastIndexOf(str) method and .substring() method in Javascript

Example: This example uses the approach discussed above. 

Javascript
let str = "folder_1/folder_2/file.html";

function GFG_FUN() {
    console.log(str.substring(str.lastIndexOf('/') + 1));
}

GFG_FUN();

Output
file.html

How to get value of a string after last slash in JavaScript?

The task is to get the string after a specific character(‘/’). Here are a few of the most used techniques discussed. We are going to use JavaScript. 

Below are the approaches used to get the value of a string after the last slash in JavaScript:

Table of Content

  • Approach 1: Using .split() method and .length property
  • Approach 2: Using .lastIndexOf(str) method and .substring() method
  • Approach 3: Using .split() method and pop() method
  • Approach 4: Using Regular Expressions

Similar Reads

Approach 1: Using .split() method and .length property

Split the string by .split() method and put it in a variable(array).Use the .length property to get the length of the array.From the array return the element at index = length-1....

Approach 2: Using .lastIndexOf(str) method and .substring() method

First, find the last index of (‘/’) using .lastIndexOf(str) method.Use the .substring() method to get access the string after the last slash....

Approach 3: Using .split() method and pop() method

Split the string by .split() method pop the variable by using pop() method...

Approach 4: Using Regular Expressions

Regular expressions provide a powerful way to search for patterns within strings. We can use a regular expression to match the portion of the string after the last slash....

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