设置图片边框为0
var markerImg= document.createElement("img");
markerImg.style.background = 'url(./img/a.png)';
markerImg.style.backgroundSize = '437px 267px';
markerImg.style.width = '25px';
markerImg.style.height = '34px';
markerImg.style.border = '0px';
markerImg.style.backgroundPosition = '-9px -3px';
markerContent.appendChild(markerImg);
我想把图片的边框设置为0,但markerImg.style.border = '0px';这句代码不起作用,依然有边框,这代码可以怎么写呢?