[JavaScript]Base64转图片

1 HTML源码

展开HTML源码

效果：↓

2 JavaScript源码(base64图片编码 转 图片)

ar dom = document.querySelector("div");
var tmpImgUrl = dom.style.background;
var base64Img = tmpImgUrl.substring(5,tmpImgUrl.length-2); // base64编码的图片数据
// base64Img = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0 DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=='";//形如←←←

var imgDom = document.querySelector("#img");
imgDom.setAttribute("src", base64Img);

效果：↓

3 参考文献

• 图片⇋Base64编码转换