My JS algorithm climb pit tour – valid parentheses

Day 25: force buckle question 20, valid brackets

Address: leetcode-cn.com/problems/va…

The first open parenthesis matching the first open parenthesis matching the first open parenthesis matching the first open parenthesis matching the first open parenthesis matching.

var isValid = function(s) { s.split(""); let res = []; let object = { '(':')', '[':']', '{':'}' } for(let i = 0; i < s.length; i++) { if(s[i] == '(' ||s[i] == '['||s[i] == '{') { res.unshift(s[i]); } else{ if(object[res.shift()] ! = s[i]) { return false; } } } if(res.length == 0) { return true; } else{ return false; } };Copy the code