【 tulaoshi.com - Web开发 】
function lLoopRun(sFuncLoop,sFuncEnd,nDelay) {
//writen by http://fengyan.iecn.cn
//sFuncLoop 字符串型,需要重复执行的Javascript函数或语句(多个函数或语句请用;分隔)
//sFuncEnd 字符串型,用于中止重复执行动作(sFuncLoop)的Javascript函数或语句
//nDelay 数字型,重复执行的时间间隔(毫秒数)
var vintervalId = null;
var runString = sFuncLoop;
var stopString = sFuncEnd;
var delayTime = nDelay;
//var nCount = 0;//执行次数//为便于测试,应用时就将此行注释掉
this._doLoop = function (){
if (vintervalId && !eval(stopString)){
eval(runString);
//nCount++;//记录执行次数//为便于测试,应用时就将此行注释掉
} else {
window.clearInterval(vintervalId);
vintervalId = null;
}
//document.getElementById("TestCount").innerHTML = nCount;//输出执行次数//为便于测试,应用时就将此行注释掉
}
window.clearInterval(vintervalId);
vintervalId = window.setInterval(this._doLoop,delayTime);
}
几个实例代码:
水平往复运动:
html
head
titlelLoopRun.js 应用实例:水平往复运动/title
meta http-equiv="Content-Type" content="text/html; charset=gb2312" /
meta name="Author" content="CnLei,枫岩" /
style type="text/css"
#IECN {position:absolute;}
/style
script type="text/javascript" src="lLoopRun.js"/script
/head
body
p执行次数:strong id="TestCount"0/strong/p
img id="IECN" src="http://bbs.iecn.net/attach-iecn/upload/7574.gif" style="left:0px;top:0px;" width="120" /
script type="text/javascript"
!--
function chgPos(sId,n){
var o = document.getElementById(sId);
o.style.left = (parseInt(o.style.left)+n)+"px";
}
function chgPosStop(sId,nMax){
var o = document.getElementById(sId);
if(parseInt(o.style.left)0){isReBack = false;}
if(parseInt(o.style.left)nMax){isReBack = true;}
if(isReBack) {
nNum=-Math.abs(nNum);
} else {
nNum=Math.abs(nNum);
}
}
var nNum=10;
var isReBack = false;
lLoopRun("chgPos(IECN,nNum);","chgPosStop(IECN,600)",20);
--
/script
/body
/html
自动伸缩大小:
html
head
titlelLoopRun.js 应用实例:自动伸缩大小/title
meta http-equiv="Content-Type" content="text/html; charset=gb2312" /
meta name="Author" content="CnLei,枫岩" /
script type="text/javascript" src="lLoopRun.js"/script
/head
body
p执行次数:strong id="TestCount"0/strong/p
img id="IECN" src="http://bbs.iecn.net/attach-iecn/upload/7574.gif" style="left:0px;top:0px;" width="120" /
script type="text/javascript"
!--
function chgPos(sId,n){
var o = document.getElementById(sId);
o.width = (parseInt(o.width)+n);
}
function chgPosStop(sId,nMax){
var o = document.getElementById(sId);
if(parseInt(o.width)10){isReBack = false;}
if(parseInt(o.width)nMax){isReBack = true;}
if(isReBack) {
nNum=-Math.abs(nNum);
} else {
nNum=Math.abs(nNum);
}
//return parseInt(o.style.left)nMax || (parseInt(o.style.top)nMax-200);
}
var nNum=10;
var isReBack = false;
lLoopRun("chgPos(IECN,nNum);","chgPosStop(IECN,500)",20);
--
/script
/body
/html
垂直往复运动:
html
head
titlelLoopRun.js 应用实例:垂直往复运动/title
meta http-equiv="Content-Type" content="text/html; charset=gb2312" /
meta name="Author" content="CnLei,枫岩" /
style type="text/css"
#IECN {position:absolute;}
/style
script type="text/javascript" src="lLoopRun.js"/script
/head
body
p执行次数:strong id="TestCount"0/strong/p
img id="IECN" src="http://bbs.iecn.net/attach-iecn/upload/7574.gif" style="left:0px;top:0px;" width="120" /
script type="text/javascript"
!--
function chgPos(sId,n){
var o = document.getElementById(sId);
o.style.top = (parseInt(o.style.top)+n)+"px";
}
function chgPosStop(sId,nMax){
var o = document.getElementById(sId);
if(parseInt(o.style.top)0){isReBack = false;}
if(parseInt(o.style.top)nMax){isReBack = true;}
if(isReBack) {
nNum=-Math.abs(nNum);
} else {
nNum=Math.abs(nNum);
}
//return parseInt(o.style.top)nMax || (parseInt(o.style.top)nMax-200);
}
var nNum=10;
var isReBack = false;
lLoopRun("chgPos(IECN,nNum);","chgPosStop(IECN,300)",20);
--
/script
/body
/html
渐变显示(图片):
html
head
titlelLoopRun.js 应用实例: 渐变显示效果/title
meta http-equiv="Content-Type" content="text/html; charset=gb2312" /
meta name="Author" content="CnLei,枫岩" /
style type="text/css"
body{background:#080;color:#fff;}
#IECN {
background:#fff;
filter: Alpha(opacity=10);
-moz-opacity:.10;
opacity:.10;
}
/style
script type="text/javascript" src="lLoopRun.js"/script
/head
body
p执行次数:strong id="TestCount"0/strong/p
img id="IECN" src="http://bbs.iecn.net/attach-iecn/upload/7574.gif" style="left:0px;top:0px;" width="120" /br /br /刷新再次查看演示效果
script type="text/javascript"
!--
function chgOpacity(sId,n){
var o = document.getElementById(sId);
if (o.filters) {
o.filters[0].Opacity = parseInt(o.filters[0].Opacity) + n;
} else {
o.style.opacity= eval(document.defaultView.getComputedStyle(o,null).getPropertyValue(opacity)) + (n*100/10000);
}
}
function chgOpacityStop(sId){
var o = document.getElementById(sId);
if (o.filters) {
return parseInt(o.filters[0].Opacity)=99;
} else {
return eval(o.style.opacity)=0.99;
}
}
lLoopRun("chgOpacity(IECN,1);","chgOpacityStop(IECN)",20);
--
/script
/body
/html
原文:http://fengyan.iecn.cn/blog-html-do-showone-uid-35653-type-blog-itemid-2320.html