Removing a specific substring from a string in JavaScript

We are given a main string and a substring, our job is to create a function, let’s say removeString() that takes in these two arguments and returns a version of the main string which is free of the substring.

Here, we need to remove the separator from a string, for example −

this-is-a-sting

Let’s now write the code for this function −

const removeString = (string, separator) => {
   //we split the string and make it free of separator
   const separatedArray = string.split(separator);
   //we join the separatedArray with empty string
   const separatedString = separatedArray.join("");
   return separatedString;
}
const str = removeString('this-is-a-sting', '-');
console.log(str);

The output of this code in the console will be −

thisisastring

AmitDiwan

Updated on: 09-Oct-2020

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