JavaScript怎么实现鼠标点击后层展开效果
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爱学习的小伙伴们，你们知道JavaScript实现鼠标点击后层展开效果的方法吗?不知道的话跟着学习啦小编一起来学习JavaScript实现鼠标点击后层展开效果吧。
JavaScript实现鼠标点击后层展开效果的详细代码
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>层展开折叠</title> </head> <body> <style type="text/css"> DIV.clTopMenu{ position:absolute; width:101; height:150; clip:rect(0,101,14,0); visibility:hidden; z-index:31; layer-background-color:#EEEEEE; background-color:#00CCFF } DIV.clTopMenuBottom{ position:absolute; width:101; height:3; clip:rect(0,101,3,0); top:11; layer-background-color:#CECFCE; background-color:#000099; z-index:2 } DIV.clTopMenuText{ position:absolute; width:91; left:5; top:15; font-family:"Arial", "Helvetica", "sans-serif"; font-size:9pt; background-color:#EEEEEE; z-index:1; color: #000000 } a:link { color: #000000; text-decoration: none } </style> <script language="JavaScript" type="text/javascript"> function lib_bwcheck(){ //Browsercheck (needed) this.ver=navigator.appVersion this.agent=navigator.userAgent this.dom=document.getElementById?1:0 this.opera5=this.agent.indexOf("Opera 5")>-1 this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0; this.ie4=(document.all && !this.dom && !this.opera5)?1:0; this.ie=this.ie4||this.ie5||this.ie6 this.mac=this.agent.indexOf("Mac")>-1 this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; this.ns4=(document.layers && !this.dom)?1:0; this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5) return this } var bw=new lib_bwcheck() nPlace=0 var nNumberOfMenus=2 var nMwidth=101 var nPxbetween=20 var nFromleft=10 var nFromtop=20 var nBgcolor='#CECFCE' var nBgcolorchangeto='#6380BC' var nImageheight=11 function makeNewsMenu(obj,nest){ nest=(!nest) ? "":'document.'+nest+'.' this.css=bw.dom? document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+"document.layers." +obj):0; this.evnt=bw.dom? document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+"document.layers." +obj):0; this.scrollHeight=bw.ns4?this.css.document.height:this.evnt.offsetHeight this.moveIt=b_moveIt;this.bgChange=b_bgChange; this.slideUp=b_slideUp; this.slideDown=b_slideDown; this.clipTo=b_clipTo; this.obj = obj + "Object"; eval(this.obj + "=this") } function b_moveIt(x,y){this.x=x; this.y=y; this.css.left=this.x; this.css.top=this.y} function b_bgChange(color){if(bw.dom || bw.ie4) this.css.backgroundColor=color; else this.css.bgColor=color} function b_clipTo(t,r,b,l){ if(bw.ns4){this.css.clip.top=t; this.css.clip.right=r; this.css.clip.bottom=b; this.css.clip.left=l }else this.css.clip="rect("+t+","+r+","+b+","+l+")"; } function b_slideUp(ystop,moveby,speed,fn,wh){ if(!this.slideactive){ if(this.y>ystop){ this.moveIt(this.x,this.y-5); eval(wh) setTimeout(this.obj+".slideUp("+ystop+","+moveby+","+speed+",'"+fn+"','"+wh+"')",speed) }else{ this.slideactive=false; this.moveIt(0,ystop); eval(fn) } } } function b_slideDown(ystop,moveby,speed,fn,wh){ if(!this.slideactive){ if(this.y<ystop){ this.moveIt(this.x,this.y+5); eval(wh) setTimeout(this.obj+".slideDown("+ystop+","+moveby+","+speed+",'"+fn+"','"+wh+"')",speed) }else{ this.slideactive=false; this.moveIt(0,ystop); eval(fn) } } } function newsMenuInit(){ oTopMenu=new Array() zindex=10 for(i=0;i<=nNumberOfMenus;i++){ oTopMenu[i]=new Array() oTopMenu[i][0]=new makeNewsMenu('divTopMenu'+i) oTopMenu[i][1]=new makeNewsMenu('divTopMenuBottom'+i,'divTopMenu'+i) oTopMenu[i][2]=new makeNewsMenu('divTopMenuText'+i,'divTopMenu'+i) oTopMenu[i][1].moveIt(0,nImageheight) oTopMenu[i][0].clipTo(0,nMwidth,nImageheight+3,0) if(!nPlace) oTopMenu[i][0].moveIt(i*nMwidth+nFromleft+(i*nPxbetween),nFromtop) else{ oTopMenu[i][0].moveIt(nFromleft,i*nImageheight+nFromtop+(i*nPxbetween)) oTopMenu[i][0].css.zIndex=zindex-- } oTopMenu[i][0].css.visibility="visible" } } function topMenu(num){ if(oTopMenu[num][1].y==nImageheight) oTopMenu[num][1].slideDown(oTopMenu[num][2].scrollHeight+20,10,40,'oTopMenu['+num+'][0].clipTo(0,nMwidth,oTopMenu['+num+'][1].y+3,0)','oTopMenu['+num+'][0].clipTo(0,nMwidth,oTopMenu['+num+'][1].y+3,0)') else if(oTopMenu[num][1].y==oTopMenu[num][2].scrollHeight+20) oTopMenu[num][1].slideUp(nImageheight,10,40,'oTopMenu['+num+'][0].clipTo(0,nMwidth,oTopMenu['+num+'][1].y+3,0)','oTopMenu['+num+'][0].clipTo(0,nMwidth,oTopMenu['+num+'][1].y+3,0)') } function menuOver(num){oTopMenu[num][1].bgChange(nBgcolorchangeto)} function menuOut(num){oTopMenu[num][1].bgChange(nBgcolor)} onload=newsMenuInit; </script> <div id="divTopMenu0" class="clTopMenu" align="center" | bw.ie4)this.blur(); return false">点击展开</a> </span> <div id="divTopMenuText0" class="clTopMenuText"> <span class="css3"> 鼠标点击后层展开JavaScript鼠标点击后层展开JavaScript。 </span> </div> <div id="divTopMenuBottom0" class="clTopMenuBottom" style="top: 11; height: 10"></div> </div> </div> </body> </html> |
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