发布于 2017-02-22 22:36:33 | 161 次阅读 | 评论: 0 | 来源: 网友投递
这里有新鲜出炉的Javascript教程，程序狗速度看过来！
JavaScript客户端脚本语言
Javascript 是一种由Netscape的LiveScript发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言，主要目的是为了解决服务器端语言，比如Perl，遗留的速度问题，为客户提供更流畅的浏览效果。
纯js代码制作的网页时钟特效,需要的码农可以拿去看一下。给大家做个参考。
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.6000.16414" name=GENERATOR></HEAD>
<BODY>
<DIV
style="LEFT: 155px; WIDTH: 400px; ZOOM: 1; POSITION: absolute; TOP: 133px; HEIGHT: 300px">
<DIV id=bg
style="LEFT: -22px; WIDTH: 150px; ZOOM: 1.5; POSITION: absolute; TOP: -57px; HEIGHT: 150px"><IMG
style="Z-INDEX: 22; WIDTH: 129px; HEIGHT: 129px" src="http://files.phperz.com/upload/novelty.gif">
</DIV>
<DIV id=h
style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 5px; WIDTH: 129px; PADDING-TOP: 5px; POSITION: absolute; HEIGHT: 129px"><IMG
style="Z-INDEX: 22; WIDTH: 129px; HEIGHT: 129px" src="http://files.phperz.com/upload/novelty_h.gif">
</DIV>
<DIV id=m
style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 5px; WIDTH: 129px; PADDING-TOP: 5px; POSITION: absolute; HEIGHT: 129px"><IMG
style="Z-INDEX: 22; WIDTH: 129px; HEIGHT: 129px" src="http://files.phperz.com/upload/novelty_m.gif">
</DIV>
<DIV id=s
style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 5px; WIDTH: 129px; PADDING-TOP: 5px; POSITION: absolute; HEIGHT: 129px"><IMG
style="Z-INDEX: 22; WIDTH: 129px; HEIGHT: 129px" src="http://files.phperz.com/upload/novelty_s.gif">
</DIV>
<DIV id=dot
style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 5px; WIDTH: 129px; PADDING-TOP: 5px; POSITION: absolute; HEIGHT: 129px"><IMG
style="Z-INDEX: 22; WIDTH: 129px; HEIGHT: 129px" src="http://files.phperz.com/upload/novelty_dot.gif">
</DIV>
<DIV>
<SCRIPT>
//oObj input requires that a matrix filter be applied.
//deg input defines the requested angle of rotation.
var deg2radians = Math.PI * 2 / 360;
function MatrixFilter(obj)
{
if(!obj.filters)return;
//alert(obj.filters.item(0));
var Matrix;
for(p in obj.filters)
{
if(p=="DXImageTransform.Microsoft.Matrix")Matrix=obj.filters["DXImageTransform.Microsoft.Matrix"];
}
if(!Matrix)
{
obj.style.filter+="progid:DXImageTransform.Microsoft.Matrix()";
}
Matrix=obj.filters["DXImageTransform.Microsoft.Matrix"];
this.equal=function(Matrix2D_x)
{
if(Matrix2D_x.M11)Matrix.M11 = Matrix2D_x.M11;
if(Matrix2D_x.M12)Matrix.M12 = Matrix2D_x.M12;
if(Matrix2D_x.M21)Matrix.M21 = Matrix2D_x.M21;
if(Matrix2D_x.M22)Matrix.M22 = Matrix2D_x.M22;
}
if(arguments[1])this.equal(arguments[1]);
this.Rotate=function(deg)
{
rad = deg * deg2radians;
costheta = Math.cos(rad);
sintheta = Math.sin(rad);
var d=new Matrix2D(costheta,-sintheta,sintheta,costheta);
this.equal(Matrix2D.Mul(Matrix,d));
}
this.RotateTo=function(deg)
{
rad = deg * deg2radians;
costheta = Math.cos(rad);
sintheta = Math.sin(rad);
var d=new Matrix2D(costheta,-sintheta,sintheta,costheta);
this.equal(d);
}
this.RotateAt=function(deg,sx,sy)
{
rad = deg * deg2radians;
costheta = Math.cos(rad);
sintheta = Math.sin(rad);
var d=new Matrix2D(costheta,-sintheta,sintheta,costheta);
var x=sx-Matrix.Dx;
var y=sy-Matrix.Dy;
this.MoveTo(x*costheta+y*sintheta-x,-x*sintheta+y*costheta-y);
this.equal(Matrix2D.Mul(Matrix,d));
}
this.RotateToAt=function(deg,sx,sy)
{
rad = deg * deg2radians;
costheta = Math.cos(rad);
sintheta = Math.sin(rad);
var d=new Matrix2D(costheta,-sintheta,sintheta,costheta);
var x=sx;
var y=sy;
this.MoveTo(x-(x*costheta-y*sintheta),-(x*sintheta+y*costheta-x));
this.equal(d);
}
this.MoveTo=function(sx,sy)
{
Matrix.Dx=sx;
Matrix.Dy=sy;
}
this.toMatrix2D=function()
{
return new Matrix2D(Matrix.M11,Matrix.M12,Matrix.M21,Matrix.M22);
}
this.ZoomBy=function(sx,sy)
{
var d=new Matrix2D(sx,0,0,sy);
this.equal(Matrix2D.Mul(Matrix,d));
}
this.toString=function()
{
return ""+Matrix.M11+" "+Matrix.M12+"\n"+Matrix.M21+" "+Matrix.M22+"\n"
}
//Matrix.SizingMethod='clip to original';
//this.fnSetRotation(30);
//alert(Matrix.M11);
//alert(obj.filters["DXImageTransform.Microsoft.Matrix"]);
}
function Matrix2D()
{
this.M11 = arguments[0]||1;
this.M12 = arguments[1]||0;
this.M21 = arguments[2]||0;
this.M22 = arguments[3]||1;
this.Mul_Matrix2D=function(Matrix2D_b)
{
var r=new Matrix2D();
r=Matrix2D.Mul(this,Matrix2D_b);
return r;
}
this.toString=function()
{
return ""+this.M11+" "+this.M12+"\n"+this.M21+" "+this.M22+"\n"
}
}
Matrix2D.Mul=function(Matrix2D_a,Matrix2D_b)
{
var r=new Matrix2D();
r.M11=Matrix2D_a.M11*Matrix2D_b.M11+Matrix2D_a.M12*Matrix2D_b.M21;
r.M12=Matrix2D_a.M11*Matrix2D_b.M12+Matrix2D_a.M12*Matrix2D_b.M22;
r.M21=Matrix2D_a.M21*Matrix2D_b.M11+Matrix2D_a.M22*Matrix2D_b.M21;
r.M22=Matrix2D_a.M21*Matrix2D_b.M12+Matrix2D_a.M22*Matrix2D_b.M22;
return r;
}
var ms=new MatrixFilter(s);
var mm=new MatrixFilter(m);
var mh=new MatrixFilter(h);
var i=1;
setInterval("ms.RotateToAt((new Date()).getSeconds()*6+6,69,69)",500);
setInterval("mm.RotateToAt((new Date()).getMinutes()*6+6,69,69)",500);
setInterval("mh.RotateToAt(((new Date()).getHours()+(new Date()).getMinutes()/60)*30,69,69)",500);
//mf.MoveTo(30,70);
//mf.ZoomBy(1.5,1.5);
//mf.ZoomBy(1.5,1.5);
//alert(mf.toMatrix2D());
//alert(Matrix2D.Mul(m2d1,m2d2));
//fnSetRotation(oDiv.filters.item(0),30);
</SCRIPT>
</DIV></DIV></BODY></HTML>
以上这篇纯js代码制作的网页时钟特效【附实例】就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持phperz。