Sử dụng thư viện jquery.hoverdir.js để làm hiệu ứng hover tuyệt đẹp (ok)
https://github.com/webmandesign/jquery.hoverdir
Một ví dụ thực hành :)
C:\Users\Administrator\OneDrive\Desktop\web\test.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script src="js/jquery.min.js"></script>
<!-- <script src="js/modernizr.js"></script> -->
<script type="text/javascript" src="js/jquery.hoverdir.js"></script>
<title>Document</title>
<style type="text/css">
.da-thumbs {
list-style: none;
width: 984px;
height: 600px;
position: relative;
margin: 20px auto;
padding: 0;
}
.da-thumbs li {
float: left;
margin: 0.4%;
background: #EFEFEF;
padding: 8px;
position: relative;
box-shadow: 0 1px 3px rgb(231 231 231 / 43%);
width: 32.4%;
}
.da-thumbs li a {
overflow: hidden;
}
.da-thumbs li a,
.da-thumbs li a img {
display: block;
position: relative;
}
.da-thumbs li a div {
position: absolute;
background: #333;
background: rgba(75, 75, 75, 0.7);
width: 100%;
height: 100%;
}
.da-thumbs li a div h5 {
color: #FFF;
font-size: 1.5em;
margin: 3.5em 0 0 0;
font-family: 'Audiowide-Regular';
text-align: center;
}
.da-thumbs li a div span {
display: block;
padding: 10px 0;
margin: 11px 20px 20px 20px;
font-weight: normal;
text-transform: capitalize;
color: rgba(255, 255, 255, 0.9);
text-align: center;
font-size: 14px;
font-family: 'Raleway-Regular';
}
</style>
</head>
<body>
<section>
<ul id="da-thumbs" class="da-thumbs">
<li>
<a href="images/g-1.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-1.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<li>
<a href="images/g-2.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-2.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<li>
<a href="images/g-3.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-3.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<li>
<a href="images/g-4.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-4.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<li>
<a href="images/g-5.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-5.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<li>
<a href="images/g-6.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-6.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<li>
<a href="images/g-7.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-7.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<li>
<a href="images/g-8.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-8.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<li>
<a href="images/g-9.jpg" rel="title" class="b-link-stripe b-animate-go thickbox">
<img src="images/g-9.jpg" alt="" />
<div>
<h5>Coffee</h5>
<span>non suscipit leo fringilla non suscipit leo fringilla molestie</span>
</div>
</a>
</li>
<div class="clearfix"> </div>
</ul>
</section>
<script type="text/javascript">
$(function() {
$(' #da-thumbs > li ').each(function() { $(this).hoverdir(); });
});
</script>
</body>
</html><div class="da-thumbs">
<div>
<a href="#">
<img src="https://cdn.shopify.com/s/files/1/1047/8278/products/electric-toy-car-bmw-x5_large.png?v=1449651980" />
<div>hover image 1</div>
</a>
</div>
<div>
<a href="#">
<img src="https://cdn.shopify.com/s/files/1/1047/8278/products/electric-toy-car-bmw-x5_large.png?v=1449651980" />
<div>hover image 2</div>
</a>
</div>
<div>
<a href="#">
<img src="https://cdn.shopify.com/s/files/1/1047/8278/products/electric-toy-car-bmw-x5_large.png?v=1449651980" />
<div>hover image 3</div>
</a>
</div>
<div>
<a href="#">
<img src="https://cdn.shopify.com/s/files/1/1047/8278/products/electric-toy-car-bmw-x5_large.png?v=1449651980" />
<div>hover image 4</div>
</a>
</div>
<div>
<a href="#">
<img src="https://cdn.shopify.com/s/files/1/1047/8278/products/electric-toy-car-bmw-x5_large.png?v=1449651980" />
<div>hover image 5</div>
</a>
</div>
<div>
<a href="#">
<img src="https://cdn.shopify.com/s/files/1/1047/8278/products/electric-toy-car-bmw-x5_large.png?v=1449651980" />
<div>hover image 6</div>
</a>
</div>
</div>.da-thumbs {
position: relative;
width: 800px;
margin: 20px auto;
padding: 0;
}
.da-thumbs > div {
float: left;
background-color: #eee;
margin: 5px;
padding: 3px;
position: relative;
}
.da-thumbs > div a,
.da-thumbs > div a img {
display: block;
position: relative;
}
.da-thumbs > div a {
overflow: hidden;
}
.da-thumbs > div a img {
height: 200px;
}
.da-thumbs > div a div {
position: absolute;
width: 100%;
height: 100%;
background: rgba(60, 60, 60, 0.7);
color: #fff;
display: flex;
justify-content: center;
align-items: center
}$(function () {
$('.da-thumbs > div').hoverdir();
});
// external js file
(function (factory) {
'use strict';
if (typeof define === 'function' && define.amd) {
define(['jquery'], factory);
} else if (typeof exports !== 'undefined') {
module.exports = factory(require('jquery'));
} else {
factory(jQuery);
}
})(function ($) {
'use strict';
function Hoverdir(element, options) {
this.$el = $(element);
// set options
this.options = $.extend(true, {}, this.defaults, options);
// initialize visibility to false for show and hide method
this.isVisible = false;
// get the hover for this element
this.$hoverElem = this.$el.find(this.options.hoverElem);
// transition properties
this.transitionProp = 'all ' + this.options.speed + 'ms ' + this.options.easing;
// support for CSS transitions
this.support = this._supportsTransitions();
// load the events
this._loadEvents();
}
Hoverdir.prototype = {
defaults: {
speed: 300,
easing: 'ease',
hoverDelay: 0,
inverse: false,
hoverElem: 'div'
},
constructor: Hoverdir,
/**
* Detect if CSS transitions are supported
*
* @return {Boolean}
*/
_supportsTransitions: function () {
if (typeof Modernizr !== 'undefined') {
return Modernizr.csstransitions;
} else {
var b = document.body || document.documentElement,
s = b.style,
p = 'transition';
if (typeof s[p] === 'string') {
return true;
}
// Tests for vendor specific prop
var v = ['Moz', 'webkit', 'Webkit', 'Khtml', 'O', 'ms'];
p = p.charAt(0).toUpperCase() + p.substr(1);
for (var i = 0; i < v.length; i++) {
if (typeof s[v[i] + p] === 'string') {
return true;
}
}
return false;
}
},
/**
* Bind the events to the element
*/
_loadEvents: function () {
this.$el.on('mouseenter.hoverdir mouseleave.hoverdir', $.proxy(function (event) {
this.direction = this._getDir({x: event.pageX, y: event.pageY});
if (event.type === 'mouseenter') {
this._showHover();
}
else {
this._hideHover();
}
}, this));
},
/**
* Show the hover of the element
*/
_showHover: function () {
var styleCSS = this._getStyle(this.direction);
if (this.support) {
this.$hoverElem.css('transition', '');
}
this.$hoverElem.hide().css(styleCSS.from);
clearTimeout(this.tmhover);
this.tmhover = setTimeout($.proxy(function () {
this.$hoverElem.show(0, $.proxy(function () {
if (this.support) {
this.$hoverElem.css('transition', this.transitionProp);
}
this._applyAnimation(styleCSS.to);
}, this));
}, this), this.options.hoverDelay);
this.isVisible = true;
},
/**
* Hide the hover to the element
*/
_hideHover: function () {
var styleCSS = this._getStyle(this.direction);
if (this.support) {
this.$hoverElem.css('transition', this.transitionProp);
}
clearTimeout(this.tmhover);
this._applyAnimation(styleCSS.from);
this.isVisible = false;
},
/**
* get the direction when the event is triggered
* credits : http://stackoverflow.com/a/3647634
*
* @param {Object} coordinates
* @returns {Interger}
*/
_getDir: function (coordinates) {
// the width and height of the current div
var w = this.$el.width(),
h = this.$el.height(),
// calculate the x and y to get an angle to the center of the div from that x and y.
// gets the x value relative to the center of the DIV and "normalize" it
x = (coordinates.x - this.$el.offset().left - (w / 2)) * (w > h ? (h / w) : 1),
y = (coordinates.y - this.$el.offset().top - (h / 2)) * (h > w ? (w / h) : 1),
// the angle and the direction from where the mouse came in/went out clockwise (TRBL=0123);
// first calculate the angle of the point,
// add 180 deg to get rid of the negative values
// divide by 90 to get the quadrant
// add 3 and do a modulo by 4 to shift the quadrants to a proper clockwise TRBL (top/right/bottom/left) **/
direction = Math.round((((Math.atan2(y, x) * (180 / Math.PI)) + 180) / 90) + 3) % 4;
return direction;
},
/**
* get the style when the event is triggered
*
* @param {(Interger|String)} direction
* @returns {Object}
*/
_getStyle: function (direction) {
var fromStyle, toStyle,
slideFromTop = {'left': '0', 'top': '-100%'},
slideFromBottom = {'left': '0', 'top': '100%'},
slideFromLeft = {'left': '-100%', 'top': '0'},
slideFromRight = {'left': '100%', 'top': '0'},
slideTop = {'top': '0'},
slideLeft = {'left': '0'};
switch (direction) {
case 0:
case 'top':
// from top
fromStyle = !this.options.inverse ? slideFromTop : slideFromBottom;
toStyle = slideTop;
break;
case 1:
case 'right':
// from right
fromStyle = !this.options.inverse ? slideFromRight : slideFromLeft;
toStyle = slideLeft;
break;
case 2:
case 'bottom':
// from bottom
fromStyle = !this.options.inverse ? slideFromBottom : slideFromTop;
toStyle = slideTop;
break;
case 3:
case 'left':
// from left
fromStyle = !this.options.inverse ? slideFromLeft : slideFromRight;
toStyle = slideLeft;
break;
}
return {from: fromStyle, to: toStyle};
},
/**
* Apply a transition or fallback to jquery animate based on Modernizr.csstransitions support
*
* @param {Object} styleCSS
*/
_applyAnimation: function (styleCSS) {
$.fn.applyStyle = this.support ? $.fn.css : $.fn.animate;
this.$hoverElem.stop().applyStyle(styleCSS, $.extend(true, [], {duration: this.options.speed}));
},
/**
* Show $hoverElem from the direction in argument
*
* @param {String} [direction=top] direction
*/
show: function (direction) {
this.$el.off('mouseenter.hoverdir mouseleave.hoverdir');
if (!this.isVisible) {
this.direction = direction || 'top';
this._showHover();
}
},
/**
* Hide $hoverElem from the direction in argument
*
* @param {String} [direction=bottom] direction
*/
hide: function (direction) {
this.rebuild();
if (this.isVisible) {
this.direction = direction || 'bottom';
this._hideHover();
}
},
setOptions: function (options) {
this.options = $.extend(true, {}, this.defaults, this.options, options);
},
/**
* Unbinds the plugin.
*/
destroy: function () {
this.$el.off('mouseenter.hoverdir mouseleave.hoverdir');
this.$el.data('hoverdir', null);
},
/**
* Bind the plugin.
*/
rebuild: function (options) {
if (typeof options === 'object') {
this.setOptions(options);
}
this._loadEvents();
}
};
$.fn.hoverdir = function (option, parameter) {
return this.each(function () {
var data = $(this).data('hoverdir');
var options = typeof option === 'object' && option;
// Initialize hoverdir.
if (!data) {
data = new Hoverdir(this, options);
$(this).data('hoverdir', data);
}
// Call hoverdir method.
if (typeof option === 'string') {
data[option](parameter);
if (option === 'destroy') {
$(this).data('hoverdir', false);
}
}
});
};
$.fn.hoverdir.Constructor = Hoverdir;
});PreviousremoveDuplicates, Remove duplicate values from JS array, remove all duplicates an array object (ok)NextModernizr là gì ? Sử dụng nó cho những trình duyệt cũ ra sao? (ok)
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