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FreeCodeCamp:Title Case a Sentence

要求:

确保字符串的每个单词首字母都大写,其余部分小写。

像‘the‘和‘of‘这样的连接符同理。

结果:

  • titleCase("I‘m a little tea pot") 应该返回一个字符串
  • titleCase("I‘m a little tea pot") 应该返回 "I‘m A Little Tea Pot".
  • titleCase("sHoRt AnD sToUt") 应该返回 "Short And Stout".
  • titleCase("HERE IS MY HANDLE HERE IS MY SPOUT")应该返回 "Here Is My Handle Here Is My Spout".

 代码:

 

 1 function titleCase(str){
 2   var arr=str.split(" ");
 3   var newArray=[];
 4   for (var i=0;i<arr.length;i++){
 5     var newStr=arr[i].slice(0,1).toUpperCase()+arr[i].slice(1).toLowerCase();
 6     newArray.push(newStr);
 7   }
 8   return newArray.join(" ");
 9 }
10 
11 titleCase("I‘m a little tea pot");

 

 

 

FreeCodeCamp:Title Case a Sentence