在主頁上有3個圖像和2個名爲next和previous的按鈕。當點擊下一個按鈕時,3幅圖像將變爲下3幅圖像。總圖像是100.然後點擊新的3個圖像顯示。點擊第三次,只顯示最後一張圖片。在前一個按鈕上點擊做出反轉。該代碼是在下面的,未完成如何導入圖像/按鈕點擊更改它們?
<html>
<head>
<title>
Check! 1
</title>
<style type="text/css">
#myimage {
position:absolute;
left:800;
top:500;
height: 50px;
width: 50px;
}
#myimage1 {
position:absolute;
left:500;
top:500;
height: 50px;
width: 50px;
}
#imageDiv
{
position:static;
top: 50px;
left: 10px;
}
</style>
<script type="text/javascript">
var count=0;
function image(thisImg) {
var img = document.createElement("IMG");
img.src = "img/"+thisImg;
document.getElementById('imageDiv').appendChild(img);
}
function test()
{
//alert("just checking yaar");
if(count<4)
{
++count;
console.log("count",count);
if(count==1)
{
image('44585_Murree-Best-Hill-Station-wallpapers- pictures_640x320.jpg');
image('91517_background-painting-used-Main-Menu-screen_640x320.jpg');
image('gravityflue04-640x320.jpg');
}
else if(count==2)
{
image('44585_Murree-Best-Hill-Station-wallpapers-pictures_640x320.jpg');
image('91517_background-painting-used-Main-Menu-screen_640x320.jpg');
image('gravityflue04-640x320.jpg');
}
else if(count==3)
{
image('44585_Murree-Best-Hill-Station-wallpapers-pictures_640x320.jpg');
image('91517_background-painting-used-Main-Menu-screen_640x320.jpg');
image('gravityflue04-640x320.jpg');
}
else if(count==4)
{
image('44585_Murree-Best-Hill-Station-wallpapers-pictures_640x320.jpg');
image('91517_background-painting-used-Main-Menu-screen_640x320.jpg');
image('gravityflue04-640x320.jpg');
}
else
{
console.log("Invalid Count");
}
}
}
function test2()
{
if(count>0)
{
--count;
console.log("count",count);
}
else
{
console.log("Invalid Count");
}
}
</script>
</head>
<body>
<input type="image" id="myimage" value="next" name="next" src="next-button.jpg" onclick="test()">
<input type="image" id="myimage1" value="" name="next" src="111645-glowing-green-neon-icon-media-a-media31-back.png" onclick="test2()">
歡迎來到Stack Overflow。當在這裏提出問題時,請提供一些代碼,說明您嘗試了什麼,遇到什麼問題等。 – Charlie74
或者,如果沒有提供的東西,請不要問。 – Lugia101101
function image(thisImg){img = document.createElement(「IMG」); img.src =「img /」+ thisImg; document.getElementById('imageDiv')。appendChild(img); } – user2971983