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58. Length of Last Word(js)

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58. Length of Last Word

Given a string s consists of upper/lower-case alphabets and empty space characters ‘ ‘, return the length of last word in the string.

If the last word does not exist, return 0.

Note: A word is defined as a character sequence consists of non-space characters only.

Example:

Input: "Hello World"
Output: 5
题意:给定一个字符串,返回最后一个单词的长度
代码如下:
/**
 * @param {string} s
 * @return {number}
 */
var lengthOfLastWord = function(s) {
    var str=s.trim();
    var arr=str.split(‘ ‘);
    
    return arr[arr.length-1].length;
    
};

 

58. Length of Last Word(js)

原文:https://www.cnblogs.com/xingguozhiming/p/10458519.html

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