当页面失去焦点时,具有 setInterval() 方法的 jQuery 画廊无法正常工作
我创建了 jQuery 代码,用于每 5 秒列出一次图像 - 当焦点位于图片上的按钮上时,它必须停止更改。当我的页面失去焦点时,我遇到了问题 - 当我返回时,它在一段时间内无法正常工作,因为图片的坐标不正确!
这是我的 SavasSript 代码:
var displayTimeout = 5000;
var bannerCurrentImgIndex = 0;
var timer;
var link;
function bannerDoWork() {
var bannerImages = $("#myGallery .main_pic");
var bannerImagesCount = bannerImages.length;
if (bannerCurrentImgIndex == bannerImagesCount - 1) {
bannerImages.eq(bannerCurrentImgIndex).animate({ 'left': '-725px' }, 'slow');
bannerImages.eq(0).animate({ 'left': '0' }, 'slow');
bannerImages.eq(bannerCurrentImgIndex - 1).css({ 'position': 'absolute', 'left': '725px' });
bannerCurrentImgIndex = 0;
}
else {
bannerImages.eq(bannerCurrentImgIndex).animate({ 'left': '-725px' }, 'slow');
bannerImages.eq(bannerCurrentImgIndex + 1).animate({ 'left': '0' }, 'slow');
bannerImages.eq(bannerCurrentImgIndex - 1).css({ 'position': 'absolute', 'left': '725px' });
bannerCurrentImgIndex = bannerCurrentImgIndex + 1;
}
}
$(document).ready(function () {
timer = setInterval(function () { bannerDoWork(); }, displayTimeout);
link = $("#myGallery .main_pic_btn");
link.hover(function () { timer = clearInterval(timer); },
function () {
if (timer == null)
timer = setInterval(function () { bannerDoWork(); }, displayTimeout);
});
});
I create jQuery code for listing images every 5 sec - when the focus is on the button which is located on the picture, it must stop changing. I have a problem when my page is lost focus - when I back it dose not work correctly for some time because the coordinates of pictures are not correct!
Here is my SavasSript code:
var displayTimeout = 5000;
var bannerCurrentImgIndex = 0;
var timer;
var link;
function bannerDoWork() {
var bannerImages = $("#myGallery .main_pic");
var bannerImagesCount = bannerImages.length;
if (bannerCurrentImgIndex == bannerImagesCount - 1) {
bannerImages.eq(bannerCurrentImgIndex).animate({ 'left': '-725px' }, 'slow');
bannerImages.eq(0).animate({ 'left': '0' }, 'slow');
bannerImages.eq(bannerCurrentImgIndex - 1).css({ 'position': 'absolute', 'left': '725px' });
bannerCurrentImgIndex = 0;
}
else {
bannerImages.eq(bannerCurrentImgIndex).animate({ 'left': '-725px' }, 'slow');
bannerImages.eq(bannerCurrentImgIndex + 1).animate({ 'left': '0' }, 'slow');
bannerImages.eq(bannerCurrentImgIndex - 1).css({ 'position': 'absolute', 'left': '725px' });
bannerCurrentImgIndex = bannerCurrentImgIndex + 1;
}
}
$(document).ready(function () {
timer = setInterval(function () { bannerDoWork(); }, displayTimeout);
link = $("#myGallery .main_pic_btn");
link.hover(function () { timer = clearInterval(timer); },
function () {
if (timer == null)
timer = setInterval(function () { bannerDoWork(); }, displayTimeout);
});
});
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我找到答案了!我设置了动画参数queue=false - 现在效果很好!
例子:
I find answer! I set animate parameter queue=false - and now it works great!
Example: