The Rise of Contactless Payments:...
In recent years, contactless payments have surged in popularity, driven...
/* ====================================================
* jQuery Is In Viewport.
* https://github.com/frontid/jQueryIsInViewport
* Marcelo Iván Tosco (capynet)
* Inspired on https://stackoverflow.com/a/40658647/1413049
* ==================================================== */
!function ($) {
'use strict'
var Class = function (el, cb) {
this.$el = $(el);
this.cb = cb;
this.watch();
return this;
};
Class.prototype = {
/**
* Checks if the element is in.
*
* @returns {boolean}
*/
isIn: function isIn() {
var _self = this;
var $win = $(window);
var elementTop = _self.$el.offset().top;
var elementBottom = elementTop + _self.$el.outerHeight();
var viewportTop = $win.scrollTop();
var viewportBottom = viewportTop + $win.height();
return elementBottom > viewportTop && elementTop < viewportBottom;
},
/**
* Launch a callback indicating when the element is in and when is out.
*/
watch: function () {
var _self = this;
var _isIn = false;
$(window).on('resize scroll', function () {
if (_self.isIn() && _isIn === false) {
_self.cb.call(_self.$el, 'entered');
_isIn = true;
}
if (_isIn === true && !_self.isIn()) {
_self.cb.call(_self.$el, 'leaved');
_isIn = false;
}
})
}
};
// jQuery plugin.
//-----------------------------------------------------------
$.fn.isInViewport = function (cb) {
return this.each(function () {
var $element = $(this);
var data = $element.data('isInViewport');
if (!data) {
$element.data('isInViewport', (new Class(this, cb)));
}
})
}
}(window.jQuery);
Blog Section
Dive into our blog to explore the cutting-edge trends in digital payments and NFC technology. Stay updated on the innovations that are revolutionizing transactions, boosting security, and making payments quicker and more convenient. Learn how these advancements are shaping the future of financial interactions and driving the global transition towards a cashless world.
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