if(menuBar) menuBar.style.visibility = "hidden";中if(menuBar) if语句中括号里不应该是表达式吗?这个方法是function opener(id){ openTime();if(menuBar) menuBar.style.visibility = "hidden";menuBar = document.getElementById(id);menuBar.s

if(menuBar) menuBar.style.visibility = hidden;中if(menuBar) if语句中括号里不应该是表达式吗?这个方法是function opener(id){ openTime();if(menuBar) menuBar.style.visibility = hidden;menuBar = document.getElementById(id);menuBar.s menubar什么作用 在matlab中谁能帮我翻译下set(gcf,'Menubar','none','position',[200 250 400 function detail(a){c=u_1_jg.jsp?id=+a;window.open(c,'newwindow2','height=531,width=950,top='+(screen.availHeight-531)/2+',left='+(screen.availWidth-950)/2+',toolbar=no,status=no,scrollbars=yes,menubar=no,location=no');}function del(vid){if (confirm 英语翻译function clk% clf;shg;h=figure('menubar','none',...'color','white',...'position',[200 200 320 360],...'name','CLOCK');e1=uicontrol('parent',h,...'style','edit',...'fontsize',12,...'position',[110 20 120 30]);b1=uicontrol('parent',h,...'st matlab的单词hold off怎么用function asdfig=figure('defaultuicontrolunits','normalized','name','asd',...'numbertitle','off','menubar','none');ah=axes('Pos',[.1 .2 .75 .75],'Visible','off');slider_h=uicontrol('style','slider','units','normalize',' figure('position',[ 0 0 imageSize(2) imageSize(1) ]); set(gcf,'DoubleBuffer','on','MenuBar','none'); .F = getframe(gcf);imwrite(F.cdata,FileName,'bmp'); 中间大部分语句能够看懂,这两句看不懂, matlab的一个程序,不知道什么问题.程序如下：hfigure=figure('name','设置曲线的形状与颜色','menubar','none','numbertitle','off','visible','off','position',[200 60 450 450]);haxes=axes('position',[0.15 0.45 0.7 0.4],'xlim',[0 7] window.open(Sample.htm,null,*********)中的null是什么含义window.open(Sample.htm,null,height=200,width=400,status=yes,toolbar=no,menubar=no,location=no);这样的一个例子.请问我在WINDOW.OPEN的参数中并没有看到NULL,那么这 if if if “if any”“if ever”“if “if any”“if ever”“if IF ANY,IF SO,IF NOT,IF if never,if any,if not,if if(a) {if(b =IF(IF(D6