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Loop through an index of an array to search for a certain letter in JavaScript
We are required to write a JavaScript function that takes in an array of strings as the first argument and a single character as the second argument.
The function should return true if the character specified by second argument exists in any of the strings of the array, false otherwise.
Example
The code for this will be −
const arr = ['first', 'second', 'third', 'last'];
const searchForLetter = (arr = [], letter = '') => {
for(let i = 0; i < arr.length; i++){
const el = arr[i];
if(!el.includes(letter)){
continue;
};
return true;
};
return false;
};
console.log(searchForLetter(arr, 's'));
console.log(searchForLetter(arr, 'x'));Output
And the output in the console will be −
true false
Updated on: 20-Nov-2020
860 Views
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