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 > <DIV id=bg ><IMG src="http://files.jb51.net/upload/novelty.gif"> </DIV> <DIV id=h ><IMG src="http://files.jb51.net/upload/novelty_h.gif"> </DIV> <DIV id=m ><IMG src="http://files.jb51.net/upload/novelty_m.gif"> </DIV> <DIV id=s ><IMG src="http://files.jb51.net/upload/novelty_s.gif"> </DIV> <DIV id=dot ><IMG src="http://files.jb51.net/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查字典教程网。
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