鼠标点击特效

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/* 鼠标特效 */
var a_idx = 0;
jQuery(document).ready(function($) {
    $("body").click(function(e) {
        var a = new Array("❤java❤","❤javascript❤","❤react❤","❤weex❤","❤webapp❤","❤python❤","❤iview❤","❤ES6❤","❤vue❤","❤flutter❤","❤mysql❤","❤spring❤");
        var $i = $("<span></span>").text(a[a_idx]);
        a_idx = (a_idx + 1) % a.length;
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        $i.css({
            "z-index": 999999999999999999999999999999999999999999999999999999999999999999999,
            "top": y - 20,
            "left": x,
            "position": "absolute",
            "font-weight": "bold",
            "color": "rgb("+~~(255*Math.random())+","+~~(255*Math.random())+","+~~(255*Math.random())+")"
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        $("body").append($i);
        $i.animate({
            "top": y - 180,
            "opacity": 0
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        1500,
        function() {
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