JS 圖片點擊顯示原圖片

JS 圖片點擊顯示原圖片

function DrawImage(ImgD){    var image = new Image();     image.src=ImgD.src;    var width = $(ImgD).attr("width");    var height = $(ImgD).attr("height");    if(width >100 && height>80){        ImgD.width=100;          ImgD.height=80;         ImgD.alt=image.width+"×"+image.height;     }else{        if(image.width>0 && image.height>0){             flag=true;             if(image.width>300 || image.height>200){                ImgD.width=image.width/2;                  ImgD.height=image.height/2;                 ImgD.alt=image.width+"×"+image.height;             }else{                ImgD.width=image.width;                     ImgD.height=image.height;                 ImgD.alt=image.width+"×"+image.height;             }        }     }}