freeCodeCamp/guide/chinese/certifications/javascript-algorithms-and-data-structures/basic-javascript/find-the-length-of-a-string/index.md

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Find the Length of a String	找到字符串的长度

找到字符串的长度

字符串具有称为“长度”的属性 （特征）。您所要做的就是在字符串/变量之后标记它。

var str1 = "Hello"; 
 var length1 = str1.length; // This returns 5 
 
 var length2 = " Camper".length; // This returns 7 because the space is counted as one character.