Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JavaScript summary

1. ÍøÒ³Öв¶»ñJavaScript´íÎóµÄÁ½ÖÖ·½·¨£º
ʹÓà onerror ʼþÊÇÒ»ÖÖÀÏʽµÄ±ê×¼µÄÔÚÍøÒ³Öв¶»ñ Javascript ´íÎóµÄ·½·¨
throw ÉùÃ÷µÄ×÷ÓÃÊÇ´´½¨ exception£¨Òì³££©¡£Äã¿ÉÒÔ°ÑÕâ¸öÉùÃ÷Óë try...catch ÉùÃ÷ÅäºÏʹÓã¬ÒÔ´ïµ½¿ØÖƳÌÐòÁ÷²¢²úÉú¾«È·´íÎóÏûÏ¢µÄÄ¿µÄ¡£
2.Á½¸öJavaScriptÎļþ¼äº¯ÊýµÄµ÷ÓÃ
http://space.flash8.net/space/batch.viewlink.php?itemid=318459


Ïà¹ØÎĵµ£º

JavaScript ¹¹½¨ÀàºÍ´´½¨¶ÔÏóµÄ·½Ê½

1>¹¤³§º¯ÊýÀ´´´½¨¶ÔÏó(Factory)
     function createCar(){
var obj = new Object;
obj.name = "BWM";
obj.show = function(){
alert(this.name);
}
return obj;
}
var car1 = createCar();
var car2 = createCar();
car1.show();
car2.show();
2>¹¹Ô캯Êý´´½¨¶ÔÏó ......

Javascript±Õ°ü£¨Closure£©


±Õ°ü£¨closure£©ÊÇJavascriptÓïÑÔµÄÒ»¸öÄѵ㣬ҲÊÇËüµÄÌØÉ«£¬ºÜ¶à¸ß¼¶Ó¦Óö¼ÒªÒÀ¿¿±Õ°üʵÏÖ¡£
ÏÂÃæ¾ÍÊÇÎÒµÄѧϰ±Ê¼Ç£¬¶ÔÓÚJavascript³õѧÕßÓ¦¸ÃÊǺÜÓÐÓõġ£
Ò»¡¢±äÁ¿µÄ×÷ÓÃÓò
ÒªÀí½â±Õ°ü£¬Ê×ÏȱØÐëÀí½âJavascriptÌØÊâµÄ±äÁ¿×÷ÓÃÓò¡£
±äÁ¿µÄ×÷ÓÃÓòÎ޷ǾÍÊÇÁ½ÖÖ£ºÈ«¾Ö±äÁ¿ºÍ¾Ö²¿±äÁ¿¡£
JavascriptÓïÑÔµÄÌØÊâÖ®´¦£¬¾ÍÔ ......

javascript»ñÈ¡iframeÎĵµÄÚÈÝ(¼æÈÝIEºÍFirefox)

ÔÚÍøÉÏÕÒµ½ÔÚIEϲÙ×÷IFrameÄÚÈݵĴúÂë:
   
document.frames["MyIFrame"].document.getElementById("s").style.color="blue";
µ«ÊÇÕâÔÚFirefoxÏÂÎÞЧ¡£
ËùÒÔ£¬Ïëµ½ÔÚFirefoxÏÂÓÃFireBugÀ´µ÷ÊÔ¡£¾­¹ýµ÷ÊÔ·¢ÏÖÔÚFirefoxÏ¿ÉÓÃÒÔÏ´úÂëÀ´ÊµÏÖ:
   
document.getElementById("MyIFr ......

javascript µÃµ½µ±Ç°Ò³Ãæ¿ÉÊӸ߶ȺͿí¶È

function getHeight(){
    var yScroll;
    if (window.innerHeight && window.scrollMaxY) {
        yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offs ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ