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JS裏對字符串的操作

ring bcd substring 字符串 bst clas var bsp index

var content = "12345,abcde";

var num = content.substring(0,5);//12345

var letter = content.substring(7,11);//abcde

var i = content.indexof(","); //6

var data = content.substring(i+1,content.length);//abcde

JS裏對字符串的操作