1.html部分 2.js部分 var arr = [‘0’,‘1’,‘2’,‘3’,‘4’,‘5’,‘6’,‘7’,‘8’,‘9’,‘a’,‘b’,‘c’,‘d’,‘e’,‘f’,‘g’,‘h’,‘i’,‘j’,‘k’,‘l’,‘m’,‘n’,‘o’,‘p’,‘q’,‘r’,‘s’,‘t’,‘u’,‘v’,‘w’,‘x’,‘y’,‘z’,‘A’,‘B’,‘C’,‘D’,‘E’,‘F’,‘G’,‘H’,‘I’,‘J’,‘K’,‘L’,‘M’,‘N’,‘O’,‘P’,‘Q’,‘R’,‘S’,‘T’,‘U’,‘V’,‘W’,‘X’,‘Y’,‘Z’]; var randomColor = [‘red’,‘blue’,‘green’]; //隨機產生驗證碼 function random(){ var verify = “”; for(var i=0;i<4;i++){ var num = Math.floor(Math.random()*61+1); var color = Math.floor(Math.random()*2+1); verify = verify + “”+arr[num]+ “