Answers for "js split string to array and count how many times that leteer appers in the string"

2

js character certain count

var str = "Hello Lewes";
var ch = 'e';
 
var count = str.split("e").length - 1;
console.log(count);
 
/*
    Output: 3
*/
Posted by: Guest on October-09-2020
1

count value a to b character javascript

const recorrences = ['a', 'b', 'c', 'a', 'b','a']
                .map(i => !!~i.indexOf('a'))
                .filter(i => i)
                .length;
console.log(`recorrences ${recorrences}`) 
//recorrences 3
Posted by: Guest on June-20-2020

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