search

zivenday / learning

知识点脑图，js实现，算法实现。
MIT License
1 stars 1 forks source link

写一个把字符串大小写切换的方法 #15

Open zivenday opened 5 years ago

zivenday commented 5 years ago 
    function transformString(str) {
            return str.replace(/([a-z])|([A-Z])/g, function(match, low, up) {
                if (low) {
                    return low.toUpperCase()
                } else {
                    return up.toLowerCase()
                }
            })
        }
        console.log(transformString('-mdez-Aaaa-'))