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<div id="images">
<img src="a.jpg" alt="" id="newImg">
</div>
<button onclick="prevImage('newImg')">Prev</button>
<button onclick="nextImage('newImg')">Next</button>
<script>
var imgArray = new Array();
imgArray[0] = new Image();
imgArray[0].src = 'a.jpg';
imgArray[1] = new Image();
imgArray[1].src = 'b.jpg';
function nextImage(element)
{
var img = document.getElementById(element);
for(var i = 0; i < imgArray.length;i++)
{
if(imgArray[i].src == img.src)
{
if(i === imgArray.length){
document.getElementById(element).src = imgArray[0].src;
break;
}
document.getElementById(element).src = imgArray[i+1].src;
break;
}
}
}
function prevImage(element)
{
var img = document.getElementById(element);
for(var i = imgArray.length; i > 0; i--)
{
if(imgArray[i].src == img.src)
{
if(i === imgArray.length-1){
document.getElementById(element).src = imgArray[0].src;
break;
}
document.getElementById(element).src = imgArray[i-1].src;
break;
}
}
}
這裏在上面的代碼中顯示前一個圖像,當我點擊下一個按鈕的下一個圖像被從陣列..similarly顯示如果我點擊PREV鍵的從當前圖像之前的形象應該是displayed..i都試過,但前面的功能無法正常工作任何人都可以幫助我
for(var i = imgArray.length; i> 0; i--)應該是for(var i = imgArray.length-1; i> 0; i--) – 2015-02-11 05:04:23
謝謝@RTPMatt它工作正常.. – karthik 2015-02-11 05:07:26