<body>
<h2?id="con">I?love?JavaScript</H2>
<p>?JavaScript使網(wǎng)頁顯示動態(tài)效果并實(shí)現(xiàn)與用戶交互功能。</p>
<script?type="text/javascript">
var?a=document.getElementById("con")
function?modcol(){
a.style.color="red"??
}
function?modbg(){
a.style.backgroundColor="#eee"
//這邊為什么不能是background？
}
function?moddp1(){
a.style.display="none"
}
function?moddp2(){
a.style.display="block"
}
</script>
<input?type="button"?value="變色"?onclick="modcol()"?/>
<input?type="button"?value="背景"?onclick="modbg()"?/>
<input?type="button"?value="隱藏"?onclick="moddp1()"?/>
<input?type="button"?value="顯示"?onclick="moddp2()"?/>
</body>
2022-05-21
經(jīng)測試，可以實(shí)現(xiàn)，估計(jì)網(wǎng)站不認(rèn)而已