Question

How to check if array of strings contains a substring in JavaScript

Answer 1

const array = ['c++', 'javascript', 'c', 'java'];
const substring = 'script';

const match = array.find(element => {
  	if (element.includes(substring)) {
    	return true;
  	}
});

console.log(match); 





/*
run:

"javascript"

*/

 

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Answer 2

const array = ['c++', 'javascript', 'c', 'java'];
const substring = 'script';

const index = array.findIndex(element => {
  	if (element.includes(substring)) {
    	return true;
  	}
});

console.log(index); 





/*
run:

1

*/

 

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