<img src="http://img.my.csdn.net/uploads/201309/03/1378223257_7957.jpg" alt="MM" title="MM(實際大小200*300)" onclick="getWH(this)" width="200" height="300"/>
<script>
function getWH(t){
//DOM屬性
console.log("width="+t.width);//200
console.log("height="+t.height);//300
//操作樣式
console.log("styleWidth="+t.style.width);//空
console.log("styleHeight="+t.style.height);//空
}
<img src="http://img.my.csdn.net/uploads/201309/03/1378223257_7957.jpg" alt="MM" title="MM(實際大小200*300)" onclick="getWH(this)"/>
<script>
function getWH(t){
//DOM屬性
console.log("width="+t.width);//200
console.log("height="+t.height);//300
//操作樣式
console.log("styleWidth="+t.style.width);//空
console.log("styleHeight="+t.style.height);//空
}
<img src="http://img.my.csdn.net/uploads/201309/03/1378223257_7957.jpg" alt="MM" title="MM(實際大小200*300)" onclick="getWH(this)" width="200" height="300"/>
<script>
function getWH(t){
t.width *= 2;
t.height *= 2;
//每點擊一次，寬高放大一倍
}
</script>
<img src="http://img.my.csdn.net/uploads/201309/03/1378223257_7957.jpg" alt="MM" title="MM(實際大小200*300)" onclick="getWH(this)" width="200" height="300"/>
<script>
function getWH(t){
console.log("width="+t.naturalWidth);
console.log("height="+t.naturalHeight);
t.width = t.naturalWidth * 2;
t.height = t.naturalHeight * 2;
}
</script>
