Leetcode-Detect Capital

 

该题意思是判断一个字符串，如果全部是大写或全部是小写再或者只有首字母是大写则返回true，其余返回false；

 

 

/**
 * @param {string} word
 * @return {boolean}
 */
var detectCapitalUse = function(word) {
    var thisWord = word;
    var length = thisWord.length;
    var thisWordUpper = thisWord.toUpperCase();
    var thisWordLower = thisWord.toLowerCase();
    var thisWordFirst = thisWord.substr(0, 1);
    var thisWordOther = thisWord.substr(1,length-1);
    if((thisWord ==thisWordUpper)||(thisWord == thisWordLower)){
        return true;
    }else if((thisWordFirst == thisWordFirst.toUpperCase())&&(thisWordOther == thisWordOther.toLowerCase())){
        return true;
    }else{
        return false;
    }
};