我正在學習jQuery的方法。 live()和更多我得到更好的技術,我找不到我創建它的技術的解決方案。jquery .live()方法不工作?
我嘗試一些像這樣的代碼:
$("div#content").load("content.html");
和內部content.html
我把一些像這樣的代碼:
<div id="slideshow">
<ul class="slides">
<li><img src="img/photos/1.jpg" alt="Marsa Alam underawter close up" /></li>
<li><img src="img/photos/2.jpg" alt="Turrimetta Beach - Dawn" /></li>
<li><img src="img/photos/3.jpg" alt="Power Station" /></li>
<li><img src="img/photos/4.jpg" alt="Colors of Nature" /></li>
</ul>
<span class="arrow previous"></span>
<span class="arrow next"></span>
</div>
額外javascript
這樣的:
$(window).load(function(){
var supportCanvas = 'getContext' in document.createElement('canvas');
var slides = $('#slideshow li'),
current = 0,
slideshow = {width:0,height:0};
setTimeout(function(){
window.console && window.console.time && console.time('Generated In');
if(supportCanvas){
$('#slideshow img').each(function(){
if(!slideshow.width){
slideshow.width = this.width;
slideshow.height = this.height;
}
createCanvasOverlay(this);
});
}
window.console && window.console.timeEnd && console.timeEnd('Generated In');
$('#slideshow .arrow').live("click", function(){
var li = slides.eq(current),
canvas = li.find('canvas'),
nextIndex = 0;
if($(this).hasClass('next')){
nextIndex = current >= slides.length-1 ? 0 : current+1;
}
else {
nextIndex = current <= 0 ? slides.length-1 : current-1;
}
var next = slides.eq(nextIndex);
if(supportCanvas){
canvas.fadeIn(function(){
next.show();
current = nextIndex;
li.fadeOut(function(){
li.removeClass('slideActive');
canvas.hide();
next.addClass('slideActive');
});
});
}else {
current=nextIndex;
next.addClass('slideActive').show();
li.removeClass('slideActive').hide();
}
});
},100);
function createCanvasOverlay(image){
var canvas = document.createElement('canvas'),
canvasContext = canvas.getContext("2d");
canvas.width = slideshow.width;
canvas.height = slideshow.height;
canvasContext.drawImage(image,0,0);
var imageData = canvasContext.getImageData(0,0,canvas.width,canvas.height),
data = imageData.data;
for(var i=0,z=data.length;i<z;i++){
data[i] = ((data[i] < 128) ? (2*data[i]*data[i]/255) : (255 - 2 * (255 - data[i]) * (255 - data[i])/255));
data[++i] = ((data[i] < 128) ? (2*data[i]*data[i]/255) : (255 - 2 * (255 - data[i]) * (255 - data[i])/255));
data[++i] = ((data[i] < 128) ? (2*data[i]*data[i]/255) : (255 - 2 * (255 - data[i]) * (255 - data[i])/255));
++i;
}
canvasContext.putImageData(imageData,0,0);
image.parentNode.insertBefore(canvas,image);
}
});
問題是,下一個和上一個控制按鈕不起作用ING ..
能告訴我,爲什麼它不工作? 請幫忙!
庵,在那裏你到底是在代碼中使用了'.live()'函數?或者我錯過了什麼? :/ – 2012-02-08 13:34:28
是您在「content.html」文件中的JavaScript嗎? – 2012-02-08 13:34:30
掉落學習'.live()',開始學習['.delegate()'](http://api.jquery.com/delegate/)(或['。對()'](HTTP:// API .jquery.com /上/)如果jQuery的1.7) – PeeHaa 2012-02-08 13:34:33