JSFiddle - React, Tailwind, and code Playground

by Joanna Sobańska

JavaScript

function letterRepetitionInWord(stringToCheck,letter) {
    var counter=0;
    var str = stringToCheck.split("");
    if (letter.length!=1){
    	return false;
    }
    else {
    str.forEach(function(str) {          
        if (str ===letter) {        
         	counter++;
        }
    });
    return counter;
}	
}