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.target {
    -webkit-appearance: menulist-button;
}

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a:not([href]) {
    /* Styles for anchors without href */
}

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{}.toString.call(arg);

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if (window.navigator.standalone) {
    // The app is running in standalone mode.
}

// or

if (window.navigator.standalone && navigator.userAgent.match( /like Mac OS X/i )) {
    // added to homescreen by mobile Safari
}

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console.time('a');
// execute some JavaScript
console.timeEnd('a');

// the result showed in console is the duration that block of JavaScript spent

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var _regex = /^.*((youtu.be\/)|(v\/)|(\/u\/\w\/)|(embed\/)|(watch\?))\??v?=?([^#\&\?]*).*/;

var videoUrl = 'http://www.youtube.com/watch?v=D1GmL_mvmwY&feature=g-high-u';

// there you go~
var youtubeId = videoUrl.match(_regex)[7];

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/* draw any selected text yellow on red background */
::-moz-selection { color: gold;  background: red; }
::selection      { color: gold;  background: red; } 

/* draw selected text in a paragraph white on black */
p::-moz-selection { color: white;  background: black; }
p::selection      { color: white;  background: black; } 

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.scrolls {
    overflow-x: scroll;
    overflow-y: hidden;
    height: 80px;
    white-space: nowrap;
}

.imageDiv img {
    display: inline-block;
    *display:inline;/* For IE7*/

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-webkit-tap-highlight-color: #f00;

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.submit-button {
    line-height: 999px;
    overflow: hidden;
    font-size: 0;
}