JavaScript Check whether string1 ends with strings2 or not

JavascriptWeb DevelopmentObject Oriented Programming

We are required to write a JavaScript function that takes in two strings, say, string1 and string2 and determines whether the string1 ends with string2 or not.

For example −

"The game is on"
Here, "on" should return true

While,

"the game is off"
Above, “of" should return false

Let's write the code for this function −

Example

const first = 'The game is on';
const second = ' on';
const endsWith = (first, second) => {
   const { length } = second;
   const { length: l } = first;
   const sub = first.substr(l - length, length);
   return sub === second;
};
console.log(endsWith(first, second));
console.log(endsWith(first, ' off'));

Output

The output in the console will be −

true
false
raja
AmitDiwan
Published on 31-Aug-2020 07:00:26
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