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mediaquerydetection.js
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mediaquerydetection.js
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'use strict';
var Z63 = (function (parent, $) {
var MediaQueryListener = function() {
this.afterElement = window.getComputedStyle ? window.getComputedStyle(document.body, ':after') : false;
this.currentBreakpoint = '';
this.lastBreakpoint = '';
this.init();
};
MediaQueryListener.prototype = {
init: function () {
var self = this;
if(!self.afterElement) {
return;
}
self._resizeListener();
},
_resizeListener: function () {
var self = this;
$(window).on('resize orientationchange load', function() {
// Regexp for removing quotes added by various browsers
self.currentBreakpoint = self.afterElement.getPropertyValue('content').replace(/^["']|["']$/g, '');
if (self.currentBreakpoint !== self.lastBreakpoint) {
$(window).trigger('breakpoint-change', self.currentBreakpoint);
self.lastBreakpoint = self.currentBreakpoint;
}
});
}
};
parent.mediaqueryListener = parent.mediaqueryListener || new MediaQueryListener();
return parent;
}(Z63 || {}, jQuery));
$(window).on('breakpoint-change', function(e, breakpoint) {
if(breakpoint === 'bp-small') {
document.body.innerHTML = 'CSS Breakpoint <span>screen-small</span>';
}
if(breakpoint === 'bp-medium') {
document.body.innerHTML = 'CSS Breakpoint <span>screen-medium</span>';
}
if(breakpoint === 'bp-large') {
document.body.innerHTML = 'CSS Breakpoint <span>screen-large</span>';
}
});