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<script type="text/javascript">
    //¶¨Òå
    var oCar = new Object();
    oCar.color = "red";
    oCar.doors = 4;
    oCar.showColor = function() {
        alert(this.color);
    }
    //µ÷ÓÃ
    oCar.showColor();
</script> 
    ÎÒÃǺÜÈÝÒ×ʹÓÃoCar¶ÔÏ󣬵«ÊÇÎÒÃÇ´´¾ÍÊÇÏë´´½¨¶à¸öCarʵÀý¡£ÎÒÃÇ¿ÉÒÔʹÓÃÒ»¸öº¯ÊýÀ´·â×°ÉÏÃæµÄ´úÂëÀ´ÊµÏÖ£º<script type="text/javascript">
    //¶¨Òå
    function createCar() {
        var oCar = new Object();
        oCar.color = "red";
        oCar.doors = 4;
        oCar.showColor = function() {
            alert(this.color);
        }
        return oCar;
    }
    //µ÷ÓÃ
    var ocar1 = createCar();
    var ocar2 = createCar();
    ocar1.color = "black";
    ocar1.showColor();
    ocar2.showColor();
</script>
    Ë³±ã˵һÏ£¬javaScript¶ÔÏóĬÈϳÉÔ±ÊôÐÔ¶¼ÊÇpublic µÄ¡£ÕâÖÖ·½Ê½ÎÒÃdzÆΪ¹¤³§·½Ê½£¬ÎÒÃÇ´´ÔìÁËÄÜ´´½¨²¢·µ»ØÌض¨ÀàÐ͵ĶÔÏóµÄ¹¤³§¡£
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Car car=new Car();
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javascript typeofµÄÓ÷¨

 
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javascript setTimeout ºÍ setInterval Çø±ð

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