validation parenthese fermante ouvrante

validParentheses.js

function validParentheses(parens){
const open= "(";
const closed= ")";
let totalOpen = 0;
let totalClose = 0;
for (let i = 0; i < parens.length; i++) {
    if (parens[i] === open) {
        totalOpen +=1
    }else if (parens[i] === closed) {
        totalClose +=1
    }
  }
return totalClose === totalOpen
}