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JS instance: The waiting progress bar simulating Metro UI

Source: Internet
Author: User
Tags array comparison cos return window
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Article Introduction: JS Analog Metro UI waiting for progress bar, circle round and round waiting for the general comparison is poor.

JS Analog Metro UI waiting for progress bar, circle round and round waiting for the general comparison is poor bar

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<title> Homepage </title>
<style>
*
{
margin:0px;
padding:0px;
border:0px;
}
#CenterLine
{
width:100%;
height:5px;
Background-color:blue;
margin-top:20%;
}
. Runlinebox
{
width:8px;
height:8px;
Background-color:blue;
Float:left;
margin:5px;
Position:absolute;

}
. Point
{
width:1px;
height:1px;
Background-color:black;
Position:absolute;
}
</style>
<script type= "Text/javascript" >
Array.prototype.remove = function (x) {
if (isNaN (x) x > This.length) {return false;}
for (var i = 0, n = 0; i < this.length; i++) {
if (This[i]!= this[x]) {
this[n++] = This[i]
}
}
This.length-= 1
}
var MAX = 0

Window.onload = function () {
var runline = null;
var runlinebox = document.getelementsbytagname ("div");
var length = Runlinebox.length;
var arrayrunlinebox = new Array;
for (var i = 0; i < length; i++) {
Arrayrunlinebox[i] = Runlinebox[i]
}
for (var i = 0; i < length; ++i) {
if (arrayrunlinebox[i].classname!= "Runlinebox") {
Arrayrunlinebox.remove (i);
--length;
I.;
}
}
var runline = function (obj, marginleft) {
var FPS = 500; The number of frames in the animation
var oldmarginleft = parseint (obj.style.marginLeft);
var line = function (X, allwidth) {//v-t formula for animation
var E = allwidth/(1.408823456862077 * FPS); The constant of this calculus changes with the other variables
var h1 = 236;
var h2 = 382;
var h3 = 236;
var h4 = 146;
var x = X/fps;
if (x < 0.236) {
y = E * (Math.Cos (MATH.PI * x * 500/h1 + MATH.PI/2) + 1);
}
else if (x < 0.618) {
y = 2 * E * (Math.Cos (Math.PI * (x-h1/1000) * 1000/H2 + Math.PI) + 1);
}
else if (x < 0.854) {
y = 2 * E * (Math.Cos (Math.PI * (X-(H1 + H2)/1000) * 1000/h3) + 1);
}
else {
y = E * (Math.Cos (Math.PI * (X-
(H1 + H2 +h3)/1000) * 500/h4 + Math.PI) + 1);
}
var y =-(y * 100);
document.getElementById ("Pic"). InnerHTML + + <div class= ' point ' style= ' top: + Y + "Px;left:" + X + "px" ></div > "
return y;
};
var left = 0;
(function () {
var allwidth = document.body.clientWidth; The default length is the browser window width
var allwidth_1 = allwidth * 0.62;
var allwidth_2 = (allwidth-allwidth_1)/2;
Left + = line (marginleft, allwidth);
++marginleft;
if (marginleft >= FPS) {
marginleft = 0;
Obj.style.marginLeft = "0px";
left = 0;
return 0;
}
if (left + oldmarginleft) > Allwidth) {
Obj.style.display = "None";
}
else {
Obj.style.display = "";
}
Obj.style.marginLeft = (left + oldmarginleft) + "px";
if (left + oldmarginleft) > MAX) {
MAX = left + oldmarginleft;
}
document.getElementById ("Contore"). InnerHTML = MAX;
Runline = settimeout (Arguments.callee, 10);
})()
};

settimeout (function () {runline (arrayrunlinebox[3], 0)}, 0);
settimeout (function () {runline (arrayrunlinebox[2], 0)}, 500);
settimeout (function () {runline (arrayrunlinebox[1], 0)}, 1000);
settimeout (function () {runline (arrayrunlinebox[0], 0)}, 1500);

};
</script>
<body>
<div id= "pic" >
<div class= "point" style= "top:10px;left:10px;" ></div>
</div>
<p id= "Centerline" >
</p>
<div>
<div class= "Runlinebox" style= "margin-left:5px" >
</div>
<div class= "Runlinebox" style= "margin-left:20px" >
</div>
<div class= "Runlinebox" style= "margin-left:35px" >
</div>
<div class= "Runlinebox" style= "margin-left:50px" >
</div>
</div>
<br/>
<br/>
<div id= "Contore" >
</div>
</body>


This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
metro ui design progress bar image php progress bar upload progress bar console progress bar php progress bar script access vba progress bar

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