Javascript 将image src存储在js变量中,以便可以使用它来显示背景图像
如何在javascript变量中存储上述图像标记的图像srcJavascript 将image src存储在js变量中,以便可以使用它来显示背景图像,javascript,Javascript,如何在javascript变量中存储上述图像标记的图像src <img class="preview" alt="Styling with a Bandana" src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/389177/bacon.jpg" onmouseover="upDate(this)" onmouseout="unDo()"> 并获取背景图像您缺少的引号 jQuery = .attr('src'); js = .get
<img class="preview" alt="Styling with a Bandana" src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/389177/bacon.jpg" onmouseover="upDate(this)" onmouseout="unDo()">
并获取背景图像您缺少的引号
jQuery = .attr('src');
js = .getAttribute('src');
var imgsrc = document.getElementsByClassName("preview");
document.body.style.backgroundImage = "url('"+ imgsrc +"')";
请考虑对这项工作的原因和原因做一些解释。
var imgsrc = document.getElementsByClassName("preview");
document.body.style.backgroundImage = "url('"+ imgsrc +"')";