Backup/shequ/obj/assets/js/waves.js

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;(function(window) {
    'use strict';

    var Waves = Waves || {};
    var $$ = document.querySelectorAll.bind(document);

    // Find exact position of element
    function isWindow(obj) {
        return obj !== null && obj === obj.window;
    }

    function getWindow(elem) {
        return isWindow(elem) ? elem : elem.nodeType === 9 && elem.defaultView;
    }

    function offset(elem) {
        var docElem, win,
            box = {top: 0, left: 0},
            doc = elem && elem.ownerDocument;

        docElem = doc.documentElement;

        if (typeof elem.getBoundingClientRect !== typeof undefined) {
            box = elem.getBoundingClientRect();
        }
        win = getWindow(doc);
        return {
            top: box.top + win.pageYOffset - docElem.clientTop,
            left: box.left + win.pageXOffset - docElem.clientLeft
        };
    }

    function convertStyle(obj) {
        var style = '';

        for (var a in obj) {
            if (obj.hasOwnProperty(a)) {
                style += (a + ':' + obj[a] + ';');
            }
        }

        return style;
    }

    var Effect = {

        // Effect delay
        duration: 750,

        show: function(e, element) {

            // Disable right click
            if (e.button === 2) {
                return false;
            }

            var el = element || this;