javascriptдÀ෽ʽ֮¶þ
2¡¢ÔÐÍ·½Ê½
/**
* PersonÀࣺ¶¨ÒåÒ»¸öÈË£¬ÓиöÊôÐÔname£¬ºÍÒ»¸ögetName·½·¨
*/
function Person(){}
Person.prototype.name = "jack";
Person.prototype.getName = function() { return this.name;}
°ÑÀàµÄÊôÐÔ£¨×ֶΣ©£¬·½·¨¶¼¹ÒÔÚprototypeÉÏ¡£
Ô켸¸ö¶ÔÏó²âÊÔÏ£º
var p1 = new Person();
var p2 = new Person();
console.log(p1.getName());//jack
console.log(p2.getName());//jack
¿ÉÒÔ¿´³öÊä³öµÄ¶¼ÊÇjack£¬ËùÒÔÔÐÍ·½Ê½µÄȱµã¾ÍÊDz»ÄÜͨ¹ý²ÎÊýÀ´¹¹Ôì¶ÔÏóʵÀý
(Ò»°ãÿ¸ö¶ÔÏóµÄÊôÐÔÊDz»ÏàͬµÄ)
£¬ÓŵãÊÇËùÓжÔÏóʵÀý¶¼¹²ÏígetName·½·¨£¨Ïà¶ÔÓÚ¹¹Ô캯Êý·½Ê½£©£¬Ã»ÓÐÔì³ÉÄÚ´æÀË·Ñ
¡£
Ïà¹ØÎĵµ£º
±¾ÎÄÖ÷ÒªÊdzöÓÚÓÐÅóÓÑʹÓÃÎÒÔÀ´Ð´µÄautocompleteµÄJS¿Ø¼þ¡£µ±Êý¾ÝÁ¿´óµÄʱºò£¬»á³öÏÖЧÂʼ«ÆäÂýµÄÇé¿ö£¬ÎÒÔÚÕâ¶Îʱ¼ä×ö³öµÄһЩ²âÊÔÒ²¼°Ò»Ð©¾Ñ飬Óë´ó¼Ò·ÖÏí£¬Èç¹ûÓдíµÄµØ·½£¬»¹ÇëÖ¸³ö¡£
¾¹ý²âÊÔ£¬ÎÒÃǻᷢÏÖÈçϵÄÇé¿ö»òÕß˵µÄ½áÂÛ£¬Èç¹ûÄúµÄ²âÊÔ½á¹ûÓëÎҵIJ»·û£¬Çë˵Ã÷ÔÒò£¬ÒÔ±ãÏ໥ѧϰ¡£
1£©µ±Ò»¸ö½Ï´óµÄHTML×Ö· ......
1. ¶¨ÒåÒ»¸öÓÃÓÚÊä³öJavaScript´úÂë µÄServletÀà¡£
package com.mycompany.response.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServle ......
calcu() ----º¯ÊýʵÏÖÁ½¸öÊýÏà³Ë
document.write(); ---´òÓ¡
document.calc.ÔªËØÃû.value; --»ñµÃ±íµ¥µÄÖµ
document.±íµ¥Ãû¡£±íµ¥ÔªËØÃû¡£value Ϊ±íµ¥¸³Öµ
¶¨Ò庯Êý£º
function Ãû×Ö()
{
//javaScriptÔ¤Óï¾ä
}
onClick="º¯ÊýÃû";  ......
ÀàÊÇʲô£¿
Ðí¶à¸Õ½Ó´¥±à³ÌµÄÅóÓѶ¼¿ÉÄÜÀí½â²»ÁËÀ࣬ÆäʵÀàÊǶÔÎÒÃÇÕâ¸öÏÖʵÊÀ½çµÄÄ£Ä⣬°ÑËü˵³É“Àà±ð”»òÕß“ÀàÐÍ”¿ÉÄÜ»á¸üÈÝÒ×Àí½âһЩ¡£±ÈÈç“ÈË”ÕâÖÖ¶¯
Îï¾ÍÊÇÒ»¸öÀ࣬¶ø¾ßÌåijһ¸öÈ˾ÍÊÇ“ÈË”Õâ¸öÀàµÄÒ»¸öʵÀý
£¬
“È ......
ÔÚjavascriptº¯ÊýÌåÄÚ£¬±êʶ·ûarguments¾ßÓÐÌØÊ⺬Òå¡£ËüÊǵ÷ÓöÔÏóµÄÒ»¸öÌØÊâÊôÐÔ£¬ÓÃÀ´ÒýÓÃArguments¶ÔÏó¡£Arugments¶ÔÏó¾ÍÏñÊý×飬עÒâÕâÀïÖ»ÊÇÏñ²¢²»Êǹþ¡£
javascriptº¯ÊýÌåÄÚ£¬argumentsÏñÊý×é(²¢²»ÊÇÕæµÄÊý×飬ÊÇÒ»¸öArguments¶ÔÏó£¬ÔÙ´ÎÇ¿µ÷)Ò»Ñù£¬ÓÐlengthÊôÐÔ£¬¿ÉÒÔ´ú±í´«¸øº¯ÊýµÄ²ÎÊýµÄ¸öÊý¡£
ÒýÓÃÒ»¸öÐÎʽ²ÎÊ ......