showing results for - "js character certain count"
Anna
01 Jul 2018
1var str = "Hello Lewes";
2var ch = 'e';
3 
4var count = str.split("e").length - 1;
5console.log(count);
6 
7/*
8    Output: 3
9*/
10
Chiara
16 Mar 2017
1 const recorrences = ['a', 'b', 'c', 'a', 'b','a']
2                .map(i => !!~i.indexOf('a'))
3                .filter(i => i)
4                .length;
5console.log(`recorrences ${recorrences}`) 
6//recorrences 3
Ishaan
03 Aug 2016
1let counter = str => {
2  return str.split('').reduce((total, letter) => {
3    total[letter] ? total[letter]++ : total[letter] = 1;
4    return total;
5  }, {});
6};
7
8counter("aabsssd"); // => { a: 2, b: 1, s: 3, d: 1 }
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