Have you ever used image replacement on hover for your background images then you will have noticed this annoying ‘blinking/flicker’ the first time you hover over the element. That’s because we are not pre-loading the image and so I would recommend loading the image on load to avoid this.
Here is a simple and effective CSS image preloading technique I have used several times. You can load several images by placing content: url() url() url()… etc.
body:after {
display: none;
content: url(path/to/image-hovered.jpg) url(path/to/another-image-hovered.jpg);
} This can be done in various other ways but the CSS method is my preferred method.
If you want to go ahead and use a JavaScript method you can use the code below:
function preloader() {
if (document.images) {
var img1 = new Image();
var img2 = new Image();
var img3 = new Image();
img1.src = "http://domain.com/path/to/image-001.gif";
img2.src = "http://domain.com/path/to/image-002.gif";
img3.src = "http://domain.com/path/to/image-003.gif";
}
}
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
addLoadEvent(preloader); I hope this helps you!
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