网页中改变图片大小
<script language="JavaScript" type="text/JavaScript">
//改变图片大小
function resizepic()
{
Pic=document.body.getElementsByTagName("img");
for(i=0;i<Pic.length;i++)
{
if(Pic[i].width>500)
{
Pic[i].height=Pic[i].height*500/Pic[i].width;
Pic[i].width=500;
}
}
}
</script>
</head>
<body onload=javascript:resizepic()>
另外://改变图片大小
function resizepic()
{
Pic=document.body.getElementsByTagName("img");
for(i=0;i<Pic.length;i++)
{
if(Pic[i].width>500)
{
Pic[i].height=Pic[i].height*500/Pic[i].width;
Pic[i].width=500;
}
}
}
</script>
</head>
<body onload=javascript:resizepic()>
1<script language="JavaScript" type="text/JavaScript">
2//改变图片大小
3function resizepic(thispic)
4{
5if(thispic.width>700){thispic.height=thispic.height*700/thispic.width;thispic.width=700;}
6}
7//无级缩放图片大小
8function bbimg(o)
9{
10 var zoom=parseInt(o.style.zoom, 10)||100;
11 zoom+=event.wheelDelta/12;
12 if (zoom>0) o.style.zoom=zoom+'%';
13 return false;
14}
15//双击鼠标滚动屏幕的代码
16var currentpos,timer;
17function initialize()
18{
19timer=setInterval ("scrollwindow ()",30);
20}
21function sc()
22{
23clearInterval(timer);
24}
25function scrollwindow()
26{
27currentpos=document.body.scrollTop;
28window.scroll(0,++currentpos);
29if (currentpos !=document.body.scrollTop)
30sc();
31}
32document.onmousedown=sc
33document.ondblclick=initialize
34
35//更改字体大小
36var status0='';
37var curfontsize=10;
38var curlineheight=18;
39function fontZoomA(){
40 if(curfontsize>8){
41 document.getElementById('fontzoom').style.fontSize=(--curfontsize)+'pt';
42 document.getElementById('fontzoom').style.lineHeight=(--curlineheight)+'pt';
43 }
44}
45function fontZoomB(){
46 if(curfontsize<64){
47 document.getElementById('fontzoom').style.fontSize=(++curfontsize)+'pt';
48 document.getElementById('fontzoom').style.lineHeight=(++curlineheight)+'pt';
49 }
50}
51</script>
2//改变图片大小
3function resizepic(thispic)
4{
5if(thispic.width>700){thispic.height=thispic.height*700/thispic.width;thispic.width=700;}
6}
7//无级缩放图片大小
8function bbimg(o)
9{
10 var zoom=parseInt(o.style.zoom, 10)||100;
11 zoom+=event.wheelDelta/12;
12 if (zoom>0) o.style.zoom=zoom+'%';
13 return false;
14}
15//双击鼠标滚动屏幕的代码
16var currentpos,timer;
17function initialize()
18{
19timer=setInterval ("scrollwindow ()",30);
20}
21function sc()
22{
23clearInterval(timer);
24}
25function scrollwindow()
26{
27currentpos=document.body.scrollTop;
28window.scroll(0,++currentpos);
29if (currentpos !=document.body.scrollTop)
30sc();
31}
32document.onmousedown=sc
33document.ondblclick=initialize
34
35//更改字体大小
36var status0='';
37var curfontsize=10;
38var curlineheight=18;
39function fontZoomA(){
40 if(curfontsize>8){
41 document.getElementById('fontzoom').style.fontSize=(--curfontsize)+'pt';
42 document.getElementById('fontzoom').style.lineHeight=(--curlineheight)+'pt';
43 }
44}
45function fontZoomB(){
46 if(curfontsize<64){
47 document.getElementById('fontzoom').style.fontSize=(++curfontsize)+'pt';
48 document.getElementById('fontzoom').style.lineHeight=(++curlineheight)+'pt';
49 }
50}
51</script>