如何在 JavaScript 中添加注释？（）A、 ' This is a comment B、 !--This is a comment-- C、 //This is a comment
如何在 JavaScript 中添加注释？（）
- A、 ' This is a comment
- B、 <!--This is a comment-->
- C、 //This is a comment
相关考题：
WhatistheappropriatedefinitionofthehashCodemethodinclassPerson?() A.returnsuper.hashCode（）；B.returnname.hashCode（）+age*7；C.returnname.hashCode（）+comment.hashCode（）/2；D.returnname.hashCode（）+comment.hashCode（）/2-age*3；
publicclassPerson{privateStringname，comment；privateintage；publicPerson（Stringn，inta，Stringc）{name=n；age=a；comment=c；}publicbooleanequals（Objecto）{if（!（oinstanceofPerson））returnfalse；Personp=（Person）o；returnage==p.agename.equals（p.name）；}}WhatistheappropriatedefinitionofthehashCodemethodinclassPerson？（）A.returnsuper.hashCode（）；B.returnname.hashCode（）+age*7；C.returnname.hashCode（）+comment.hashCode（）/2；D.returnname.hashCode（）+comment.hashCode（）/2-age*3；
Given:WhatistheappropriatedefinitionofthehashCodemethodinclassPerson?() A.returnsuper.hashCode（）；B.returnname.hashCode（）+age*7；C.returnname.hashCode（）+comment.hashCode（）/2；D.returnname.hashCode（）+comment.hashCode（）/2-age*3；
下列正确地在CSS文件中插入注释的语句是( )。A.／／this is a commentB.／／this is a comment／／C.／*this is a comment*／D.this is a comment
An operator is asked to shutdown the telnet service for security reasons. What are the appropriate commands to achieve this?() A. comment out telnetd in /etc/services refresh -s inetdB. comment out telnetd in /etc/inetd.conf refresh -s inetdC. comment out telnetd in /etc/rc.tcpip refresh -s telnetdD. comment out telnetd in /etc/inetd.conf refresh -s telnetd
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下面（）是JAVA语言中的有效注释。A、/this is a comment/B、--this is a commentC、this is a commentD、/--this is a comment
如何在CSS文件中插入注释（）A、//this is a commentB、//this is a comment//C、/*this is a comment*/D、this is a comment
可插入多行注释的 JavaScript 语法是？（）A、 /*This comment has more than one line*/ B、 //This comment has more than one line// C、 !--This comment has more than one line--
在CSS样式文件中的注释正确的是（）。A、// this is a comment //B、// this is a commentC、/* this is a comment */D、/’ this is a comment
An operator is asked to shutdown the telnet service for security reasons. What are the appropriate commands to achieve this?（）A、comment out telnetd in /etc/services refresh -s inetdB、comment out telnetd in /etc/inetd.conf refresh -s inetdC、comment out telnetd in /etc/rc.tcpip refresh -s telnetdD、comment out telnetd in /etc/inetd.conf refresh -s telnetd
The JSP developer wants a comment to be visible in the final output to the browser. Which comment styleneeds to be used in a JSP page？（）A、!-- this is a comment --B、% // this is a comment %C、%-- this is a comment --%D、% /** this is a comment **/ %
Where can you add your own PL/SQL code in relation-handling triggers?（）A、Before the "End default relation program section" comment. B、After the "Begin default relation program section" comment. C、Before the "Begin default relation program section" comment. D、It is not possible to modify the relation-handling code that Forms automatically creates for relations.
单选题XML中的注释（COMMENT）用来对程序进行解释说明，XML处理器不对它们进行任何处理，那么在XML中对文本进行注释的正确方法是（）。A/*文本*/B//文本C%文本D!--文本--
单选题在CSS样式文件中的注释正确的是（）。A// this is a comment //B// this is a commentC/* this is a comment */D/’ this is a comment
单选题Where can you add your own PL/SQL code in relation-handling triggers?（）ABefore the End default relation program section comment. BAfter the Begin default relation program section comment. CBefore the Begin default relation program section comment. DIt is not possible to modify the relation-handling code that Forms automatically creates for relations.
单选题The JSP developer wants a comment to be visible in the final output to the browser. Which comment styleneeds to be used in a JSP page？（）A!-- this is a comment --B% // this is a comment %C%-- this is a comment --%D% /** this is a comment **/ %
单选题Among all the comments, which of the following choices brings in authoritative sources in their discussion?AComment 1 and Comment 2.BComment 3 and Comment 5.CComment 1 and Comment 7.DComment 4 and Comment 6.
单选题下面（）是JAVA语言中的有效注释。A/this is a comment/B--this is a commentCthis is a commentD/--this is a comment
单选题可插入多行注释的 JavaScript 语法是？（）A /*This comment has more than one line*/ B //This comment has more than one line// C !--This comment has more than one line--
( 难度：中等)如何在 JavaScript 中添加注释A.This is a commentB.＜!--This is a comment--＞C.//This is a commentD./*This is a comment*/