¹ØÓÚjavascriptµÄÖØÔØ - Web ¿ª·¢ / JavaScript
ÇëÎÊÕâÑùµÄ»°×ÓÀ಻ÊǸù¾Ý²ÎÊýÁбíµÄ²»Í¬ÖØÔØÁËa·½·¨Â𣿣¿
µ«ÊÇΪʲôÊä³öÊÇChild Method count undefined ÄØ£¿£¿
²»ÊÇÓ¦¸Ã¸ù¾Ý²ÎÊýÁбíµÄ²»Í¬µ÷ÓÃÁË´Ó¸¸Àà¼Ì³ÐµÄa·½·¨£¬Êä³öParent Method countÂ𣿣¿
ÇëÖ¸½Ì£¡~~
function Parent() {
this.a=function(){
alert("Parent Method count");
}}
Children.prototype = new Parent();
function Children() {
this.a = function(cc) {
alert("Child Method count" + cc);
}
}
var c = new Children();
c.a();
JavaScriptÏÂûÓÐÖØÔØ£¬ÕâÑùдÊǰÑParentµÄº¯Êý¸²¸ÇÁË¡£
ÒªÖØÔØÐèÒª×ÔÒÑ×öЩ´¦Àí```
ÒòΪÄãдµÄ×ÓÀàa()·½·¨¸²¸Ç¸¸ÀàµÄa()·½·¨£¬
ֻҪעÊ͵ô×ÓÀàa()·½·¨¾Í¿ÉÒÔÁË¡£
this.a=function(){
alert("Parent Method count");
}}
Children.prototype = new Parent();
function Children() {
/*
this.a = function(cc) {
alert("Child Method count" + cc);
}
*/
}
var c = new Children();
c.a();
function Parent() {
this.a=function(){
alert("Parent Method");
}}
Children.prototype = new Parent();
function Children() {
this.b = funct
Ïà¹ØÎÊ´ð£º
Èý¸öÊýx,y,z ±È´óС..
var x,y,z,t;
if (x>y)
{t=x;x=y;y=t;} //½»»»x,yµÄÖµ
if(x>z)
{t=z;z=x;x=t;}//½»»»x,zµÄÖµ
if(y>z)
{t=y;y=z;z=t;}//½»»»z,yµÄÖµ
ÕâÊÇ ......
ÓÃjavascript½«Êý¾Ýµ¼³öµ½Îı¾Îļþ(txt)ÖÐ..
Ê×ÏȼÙÉèÒѾÓÐÁËÐèҪдÈëµÄÎı¾ÄÚÈÝ var txtContent ="ÐèҪдÈëµÄÄÚÈÝ";
ÏÖÔÚÐèÒªÓÃjavascript½«ÄÚÈÝдÈëtxtÎļþ(Õâ¸ötxtÎļþ²»´æÔÚ,ÐèÒª´´½¨)ÖÐ,È»ºóдºÃÖ ......
ÎÒÒ²À´Ò»¸öȤζjavascript:
´ò¿ªÒÔÏÂhtmlÎļþ,ÒÀ´Î°´ÏÂG,L,CÈý¸ö¼ü,¾Í»áÓÐÆæ¼£³öÏÖ!!
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" ......
ÔÚJSPÒ³ÃæÓÐÒ»¸ö<input type="hidden" name="index" value="0">/>¿Ø¼þ
µ±ÎÒÓÃÏÂÃæµÄJavaScriptº¯Êý¸Ä±äÆävalueµÄÖµµÄʱºò Èç¹ûÂú×ãÌõ¼þ£¨¼´i>=3µÄʱºò£©ÎªÊ²Ã´valueµÄ ......
Îʸö±È½Ï»ù´¡µÄÎÊÌ⣬ÔÚÒ»¸öhtmlÎļþÖÐÒýÈëÁËÒ»¸ö.jsµÄÎļþ£¬ÄÇô¶ÔÓÚÕâ¸ö .js µÄÎļþÀ´Ëµ£¬ËüËù¶ÔÓ¦µÄµ±Ç°Â·¾¶Ó¦¸ÃÊÇÄÄÒ»¸ö£¿ÊÇhtmlÎļþËùÔڵķ¾¶£¬»¹ÊÇ .js ÎļþµÄ·¾¶£¿£¨htmlÓëjs²»ÔÚͬһÎļþ¼ÐÖУ©
ÓÉÓÚjsÖÐÒ ......