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tyler-austin/numberOfCharInString.js

Created March 25, 2019 19:29
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[JavaScript] Number of Occurances of a Character in a String
Raw
numberOfCharInString.js
const numberOfCharInString = (c, s) => {
let [count, index] = [0, 0];
while (true) {
index = s.indexOf(c, index);
if (index >= 0) {
++count;
++index;
} else break;
}
return count;
};
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