document.getelementById(id名称).属性.属性类型

1.<div id=“uu”>1111111<b>222</b></div>

document.getelementById(“uu”).innerHTML

 

2.<img src=“1.gif” id=“uu”>

document.getelementById(“uu”).src

例子;：

function subs(m){  

   document.getElementById("aa").src=m;  

}

<img src="01.jpg" id="aa" width="100" height="160"/>

<select οnchange="subs(this.value)">

<option value="01.jpg">麦迪</option>

<option value="02.jpg">邓肯</option>

<option value="03.jpg">科比</option>

<option value="04.jpg">詹姆斯</option>

</select>

3.<div id=“uu” style="bground:red">

document.getelementById(“uu”). Style. bground

例子：

function subs1(m){    

document.getElementById("ss").style.background=m;  

}

 

<div id="ss" style="height: 100px;width: 200px; background: blue;">改变颜色</div>

<select οnchange="subs1(this.value)">

<option value="red">红色</option>

<option value="yellow">黄色</option>

<option value="pink">粉红色</option>

<option value="blue">蓝色</option>

</select>