js为img动态赋值

情景:当图片存储在数据库中,上传后立即回显
var url=path+"/user/img?photopath="+photopath;
document.getElementById('photo').src=url;

js原生方法:document.getElementById("photo").src = "xxxx.jpg";

Jquery方法:$("#photo").attr("src","xxxx.jpg");

 

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转载自blog.csdn.net/ccclych1/article/details/89681333