Javascript jQuery-交叉淡入淡出效果
我有以下javascript代码:Javascript jQuery-交叉淡入淡出效果,javascript,jquery,html,css,Javascript,Jquery,Html,Css,我有以下javascript代码: function displayNextImage() { x = (x === images.length - 1) ? 0 : x + 1; document.getElementById("img").src = images[x]; $(".body_image").fadeOut(300); $(".body_image").fadeIn
function displayNextImage() {
x = (x === images.length - 1) ? 0 : x + 1;
document.getElementById("img").src = images[x];
$(".body_image").fadeOut(300);
$(".body_image").fadeIn(300);
}
function displayPreviousImage() {
x = (x <= 0) ? images.length - 1 : x - 1;
document.getElementById("img").src = images[x];
$(".body_image").fadeOut(100);
$(".body_image").fadeIn(200);
}
function startTimer() {
setInterval(displayNextImage, 3000);
}
var images = [], x = 0;
images[0] = "images/image1.png";
images[1] = "images/image2.jpg";
images[2] = "images/image3.jpg";
images[3] = "images/image4.jpg";
images[4] = "images/image4.jpg";
images[5] = "images/image4.jpg";
函数displayNextImage(){
x=(x==images.length-1)?0:x+1;
document.getElementById(“img”).src=images[x];
$(“.body_image”).fadeOut(300);
$(“.body_image”).fadeIn(300);
}
函数displayPreviousImage(){
x=(x如果我了解您的需求,您希望:
fadeOut()
当前图像
替换图像
淡入
fadeOut()
采用可选的完成功能;使用该功能替换图像并开始淡入
函数displayNextImage(){
x=(x==images.length-1)?0:x+1;
$(“.body_image”).淡出(300,
函数(){
document.getElementById(“img”).src=images[x];
$(“.body_image”).fadeIn(300);
});
}
函数displayPreviousImage(){
x=(x此代码淡入新图像,淡出前一个图像。下面是一个JSFIDLE:
以及守则:
function displayNextImage() {
crossFade(x,x+1);
}
function displayPreviousImage() {
crossFade( x,x-1);
}
function crossFade( imageOut, imageIn ) {
var i = $( ".image-" + imageIn % 2 ),
timing = 500;
x = imageIn % images.length;
i.attr( 'src', images[ x ] );
$( ".image-" + imageOut % 2 ).fadeOut(timing);
i.fadeIn(timing);
}
function startTimer() {
displayNextImage();
setInterval(displayNextImage, 3000);
}
var images = [
"http://www.newton.ac.uk/files/covers/968361.jpg",
"http://cdn.phys.org/newman/gfx/news/hires/2013/takingtheran.jpg",
"http://images5.fanpop.com/image/photos/30800000/-Random-random-30843841-1920-1080.jpg",
"http://ccl.northwestern.edu/netlogo/models/models/Sample%20Models/Mathematics/Probability/Random%20Walk%20360.png"
],
x = 0;
startTimer();