<!DOCTYPE?html><html><head>????<meta?charset="UTF-8">????<title>算數(shù)運(yùn)算</title></head><body>????<div?di="good"></div>????<script> //代碼補(bǔ)充 var?b=(4+5)*4%5; document.getElementById("good").innerHTML?=b; </script></body></html><!DOCTYPE?html><html><head>????<meta?charset="UTF-8">????<title>算數(shù)運(yùn)算</title></head><body>????<p?id="pp"></p>????<script>//代碼補(bǔ)充var?b=(4+5)*4%5;document.getElementById("pp").innerHTML=b;</script></body></html>第一個(gè)一直顯示document.getElementById("good").innerHTML?=b;這一行出錯(cuò)了，我想的頭皮發(fā)麻都不知道為啥
我有兩串代碼一樣為啥一個(gè)錯(cuò)誤一個(gè)沒錯(cuò)
寶慕林0294932
2018-07-22 16:21:12