HTML5 实现Link跳线效果

var matrix=function(options){
    if (!(this instanceof arguments.callee)) {
        return new arguments.callee(options);
    }
    this.init(options);
};

matrix.prototype={
    init:function(options){
        this.matrix=options.matrix;
    },

    add:function(mtx){
        var omtx=this.matrix;
        var newMtx=[];
        if(!mtx.length||!mtx[0].length||mtx.length!=omtx.length||mtx[0].length!=omtx[0].length){
            return;
        }
        for(var i=0,len1=omtx.length;i<len1;i++){
            var rowMtx=omtx[i];
            newMtx.push([]);
            for(var j=0,len2=rowMtx.length;j<len2;j++){
                newMtx[i][j]=rowMtx[j]+mtx[i][j];
            }
        }
        this.matrix=newMtx;
        return this;
    },

    multiply:function(mtx){
                var omtx = mtx.matrix;
                var mtx = this.matrix;
                var newMtx=[];
                if(!isNaN(mtx)){
                    for(var i=0,len1=omtx.length;i<len1;i++){
                        var rowMtx=omtx[i];
                        newMtx.push([]);
                        for(var j=0,len2=rowMtx.length;j<len2;j++){
                            omtx[i][j]*=mtx;    
                        }
                    }
                    return new matrix({matrix:newMtx});
                }
                var sum=0;
                for(var i=0,len1=omtx.length;i<len1;i++){
                    var rowMtx=omtx[i];    
                    newMtx.push([]);
                    for(var m=0,len3=mtx[0].length;m<len3;m++){
                        for(var j=0,len2=rowMtx.length;j<len2;j++){
                            sum+=omtx[i][j]*mtx[j][m];    
                        }
                        newMtx[newMtx.length-1].push(sum);
                        sum=0;
                    }
                }
                this.matrix=newMtx;
                return this;        
            }            
        };
        this.Matrix=matrix;