捕鱼达人千炮

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                        • 长春网站建设

                          Script的功能属性描述

                          时间:2018-02-04 12:23 来源:irineindia.com 作者:佰亿金科 浏览次数:


                          长春网站建设捕鱼达人千炮已经提到过,是ECMAScript的对象,函数的函数和方法具有的属性。每个函数包含两个属性; 长度和原型。其中,length属性表示的所期望的接收命名参数,如图所示在下面的例子中功能的数量:

                          捕鱼达人千炮 HANSHUsayName(MINGCHENG){

                          JINGBAO(MING);

                          捕鱼达人千炮 HANSHUsum(numl,NUM2){

                          捕鱼达人千炮 FANHUInuml + NUM2;

                          QIZUOYONGDEsayHi(){

                          捕鱼达人千炮 JINGBAO( “NIHAO”);

                          捕鱼达人千炮 JINGBAO(sayName。ZHANGDU); // 1

                          JINGBAO(ZONGHE。ZHANGDU)。J // 2

                          长春网站

                          JINGBAO(sayHiDE。ZHANGDU); // 0

                          }

                          SHANGMIANDEDAIMADINGYILESANGEGONGNENG,DANSHIBUTONGDECANSHUHAOMA,JIESHOUDAODEMEIGEHANSHUDIAOYONGMINGLING。ZHANGCHUNWANGLUOJISHURENYUANJIANG,SHOUXIAN,sayName()HANSHUDINGYIDECANSHU,SUOYIlengthSHUXINGWEI1。LEISIDI,SUM()HANSHUDINGYILELIANGGECANSHU,CUNCHUZAIQIZHANGDUDESHUXINGZHIDEJIEGUOSHI2。SUIRANDEsayHi()BUSHIMINGMINGCANSHU,SUOYILINGZHANGDUDEZHI。

                          捕鱼达人千炮 SUOYOUDINGYIDEHEXINDEECMAScriptDEYP,BIXUCHENGGONGprototypeSHUXINGHuoqianJIADEJINMISHU。DUIYUECMAScriptSHIYINYONGLEIXING,YUANXINGSHIBANGZHUJIESHENGSHUQINPIPAXINJIANGPAISHOUPAHUANJUHUASHUOZHIGEXINSHUI?LEIBI,FANGFARUtoString()HEDEvalueOf()DENGSHIJISHANGSHICUNCHUZAIPROT。SHURUMINGCHENG,ERSHITONGGUOYIGEDUIXIANGBALEDEMEIGESHILIFANGWEN。DANGNINCHUANGJIANYIGEZIDINGYIDEYINYONGLEIXINGHEJICHENG,YUANXINGSHUXINGDEZUOYONGSHIFEICHANGZHONGYAODE

                          长春网站建设公司捕鱼达人千炮每个函数包含的非继承两个方法:)申请(和调用()。使用这两种方法的称为功能域具体的作用实际上等于在体内该对象功能的设定值。首先,应用()方法有两个参数:在该函数的运行范围内,另一种是一个参数数组。其中,所述第二参数是阵列的一个实例,参数可以是对象。E。G:

                          长春网站

                          HANSHUsum(numl,NUM2){

                          FANHUInuml + NUM2:

                          }

                          GONGNENGHUJIAOSuml(numl,NUM2){

                          HUIBAOZONGHE。SHENQING(ZHEIYIDIAN,CANSHU); //ZAICANSHUCHUANDIDEDUIXIANG

                          }

                          GONGNENGcallSum2(numl,NUM2){

                          捕鱼达人千炮 HUIBAOZONGHE。SHENQING(ZAICI,[numl,NUM2]); //TONGZHENLIE

                          长春网站

                          }

                          JINGBAO(callSuml(10,10))。J // 20

                          JINGBAO(callSum2(10,10)); // 20

                          ZAISHANGSHULIZIZHONG,callSuml()ZAICIHOUDAIDEZONGHE()HANSHUZUOWEIFANWEIDEZHIXING(YINWEITASHIZAIQUANJUFANWEINEIDIAOYONGSHI,TASHICHUANGKOUDUIXIANGDEHOUJI),HEargumentsDUIXIANG。SUOSHUcallSLun2YECHENGWEIsum()HANSHU,DANTASHIBENHOUJIHECANSHUSHUZU。ZHEILIANGGEHANSHUZHENGQUEZHIXING,BINGFANHUIZHENGQUEDEJIEGUO。

                          捕鱼达人千炮 BUTONGDEHUJIAO()FANGFAJUYOUXIANGTONGGONGNENGDEYINGYONG()FANGFA,GAIFANGFAJINZAIBUTONGDEFANGSHIJIESHOUDAODECANSHU。YONGYUHUJIAO()FANGFAZHONG,DIYICANSHUSHIZAIGAIFANWEIMEIYOUBIANHUA,ZHIGAIBIANQIYUCANSHUBEIZHIJIECHUANDIJIHANSHU。HUANJUHUASHUO,DANGHUJIAO()FANGFA,CHUANDIJIHANSHUDECANSHUBIXUBEIDANDULIEJUWEIYIXIASHILI:

                          HANSHUsum(numl,NUM2){

                          捕鱼达人千炮 FANHUIZHANGCHUNWANGZHANnuml + NUM2;

                          }

                          GONGNENGcallSum(numl,NUM2){

                          HUIBAOZONGHE。HUJIAO(ZHEIYIDIAN,numl,NUM2);

                          }

                          捕鱼达人千炮 JINGBAO(callSum(10,10)); // 20

                          长春网站建设哪家好在这种情况下,那里电话()方法,callSum()必须明确每一个参数的继任者。其结果是在使用申请的没有什么不同()。至于使用申请()或电话(),你采取完全取决于什么是最方便的传递参数给的方式功能。如果您打算argrnnents嫡系对象,或者包含第一个接收函数是一个数组,然后使用申请()肯定是更方便; 否则,选择()调用可能更合适。(如果没有传递参数的功能,它并不重要方法。)其实,不传递参数适用()和真正的舞台上调用(); 他们是真正强大的地方就是能够扩大在其上运行的功能范围。让我们来看一个例子:

                          长春网站

                          CHUANGKOU。YANSE=“HONGSE”:

                          捕鱼达人千炮 VAR O =(YANSE: “LAN”);

                          QIZUOYONGsayColor(){

                          JINGBAO(CI。YANSE);}

                          sayColor(); //HONG

                          捕鱼达人千炮 sayColor。DIAOYONG(ZHEI); //HONG

                          sayColor。DIAOYONG(CHUANGKOU); //HONG

                          捕鱼达人千炮 sayColor。HUJIAO(O); // LANSE

                          GAISHISHILIYUQIANMIANMIAOSHUDESHILIXINGDEJIYUGAIDUIXIANGSHANGGAIXING。ZHEIYICI,sayColor()BEIDINGYIWEIYIGEQUANQIUXINGDEGONGNENG,DANSHIDANGNIZAIQUANQIULINGYUCHENGHUTA,TAQUESHIXIANSHI“HONG” - YINWEIZHEIGE。YANSEPINGJIAHUIZHUANHUAWEICHUANGKOU。YANSEDEPINGJIA。GAIsayColor。ZHIDIANZHANGCHUNWANGZHAN (BEN)HEsayColor。call (CHUANGKOU),ZHEILIANGZHONGFANGFADOUXIANSHIDIAOYONGGONGNENG,ZAIQUANQIULINGYU,DANGRAN,JIEGUOHUIXIANSHI“HONG”。DANSHI,ZAIYUNXINGSHIsayColor。call (o) DANGGONGNENGDEZHIXINGHUANJINGSHIBUYIYANGDE,YINWEIZHEIGEWUTIDIANODEGONGNENGDEZHUTIZHONG,RANHOUJIEGUOSHICHUDESHI“LANSE”。

                          SHIYONG()DIAOYONG(HUOYINGYONG()),KUODADEZUIDAHAOCHUDEFANWEI,DUIXIANGBINGBUXUYAOZHUSHENMEFANGFAOUHEGUANXI。ZAIWOMENQIANMIANDELIZIZHONGDEDIYIGEBANBEN,WOMENSHOUXIANsayColor()HANSHUDAODUIXIANGO,RANHOUTONGGUO。YAODIAOYONGTA; DANZAIZHEILIGAIXIEDELIZIZHONG,WOMENBUXUYAOXIANQIANDEEWAIBUZHOU。

                          捕鱼达人千炮 MEIGEHANSHUJICHENGDEtoLocaleString()HEtoString()FANGFAZONGSHIFANHUIHANSHUDEDAIMA。FANHUIYOUYULIULANQIGESHIHUADAIMABUTONG - YOUXIEXIANGHANSHUDAIMAFANHUIDAIMAHEYUANDAIMA,YIJIYIXIENEIBUHANSHUDEDAIMAFANHUIBIAOSHIGAIPINGLUNBEIFENXIQISHANCHUYIXIEDAIMADEDAIMAGENGGAIHOU。YOUYUZHEIXIECHAYI,WOMENWUFASHISHIRENHEJIYUGAIFANGFAFANHUIDEJIEGUOZHEILIANGGEZHONGYAODEGONGNENG; RANER,ZAISHIJIDIAOSHIDAIMASHIZHEIYANGDEXINXISHIYOUYONGDE。LINGYIGEJICHENGDEvalueOf()FANGFAFANHUIDEGONGNENGDAIMAJINSHIYE。

                          捕鱼达人千炮 ZHANGCHUNWANGZHAN MEIGEHANSHUDOUYOUYIGEFEIBIAOZHUNDEcallerSHUXING,TAZHIXIANGDANGQIANHANSHUDIAOYONG。TATONGCHANGSHIZAIYIGEHANSHUZHONG,TONGGUOLUNZHENG。BEIJIAO。LAIDIANZHESHIXIANDIAOYONGDUIZHANDEKEZHUISUXING。MUQIAN,IE,Firefox,SafariHEChromeLIULANQIDOUZHICHILAIDIANSHUXING,DANWOMENZHITUIJIANZHEIGESHUXINGYONGYUDIAOSHIMUDE。

                          YUOZHANGCHUNWANGZHANJIANSHEGONGSIGONGCHENGSHIJIANYI,YIBIANZAIBUTONGDEHUANJINGZHONGZHIXING,DUZHEBIXULAOJIDEHANSHUZHIZHENDEMINGZIZHISHIYIGEBAOHANTADEBIANLIANG,QUANQIUsayColor()HANSHU。sayColor()RENGRANZHIXIANGXIANGTONGGONGNENG。

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