function
compress(imgPath) {
var
image =
new
Image();
image.src = imgPath;
image.onload =
function
() {
var
canvas = document.createElement(
'canvas'
);
var
context = canvas.getContext(
'2d'
);
var
imageWidth = image.width / 3;
var
imageHeight = image.height / 3;
var
data =
''
;
canvas.width = imageWidth;
canvas.height = imageHeight;
context.drawImage(image, 0, 0, imageWidth, imageHeight);
data = canvas.toDataURL(
'image/jpeg'
)
$(
".srcDiscernImg"
).attr(
"src"
, data);
console.log(
"渲染。。。。"
);
}
}