LeetCode -- 反转英文单词

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var reverseWords = function(str) {
    str = str.trim();
    var s = "";
    var len = str.length;
    var w = "";
    for(var i = len-1;i>=0;i--){
        if(str[i] != " "){
            w = str[i] + w;
        }
        else{
            if(i != 0 && str[i-1] == " ")
            {
                continue;
            }
            s += w + " "
            w="";
        }
    }
    s += w;
    return s;
};

LeetCode -- 反转英文单词

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原文地址：http://blog.csdn.net/lan_liang/article/details/47019509