函数大写FirstLetter(字符串){ return string.charAt(0).toUpperCase()+string.slice(1); }
String.prototype.capitalizeFirstLetter=函数(){ return this.charAt(0).toUpperCase()+this.slice(1); }
“string”.大写FirstLetter()//字符串
函数大写FirstLetter(字符串){ return string.charAt(0).toUpperCase()+string.slice(1); }
String.prototype.capitalizeFirstLetter=函数(){ return this.charAt(0).toUpperCase()+this.slice(1); }
“string”.大写FirstLetter()//字符串