详解img[src=""]img无路径情况下，灰色边框去除解决方法
2020-11-27
来源：小奈知识网
1.Js解决办法
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<img src="error.jpg" onerror="whenError(this)">
</body>
<script>
function whenError(a){
a.onerror=null;
a.src='path_default.jpg';
console.log('图片出错的时候调用默认的图片');
}
</script>
</html>2.绝对定位聚焦解决方案
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>absolute聚焦解决方案</title>
</head>
<body>
<p class="container-img">
<img class="common-icon login-icon" src="" width="38" height="38">
</p>
</body>
<style type="text/css">
.container-img {
position: relative;
display: inline-block;
width: 36px;
height: 36px;
overflow: hidden;
}
.container-img img {
position: absolute;
top: -1px;
right: -1px;
background: url(img/common-icon.png) no-repeat;
background-position: 0px 1px;
}
</style>
</html>3.margin聚焦解决办法
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>margin聚焦解决方案</title>
</head>
<body>
<p class="container-img">
<img class="common-icon login-icon" src="" width="38" height="38">
</p>
</body>
<style type="text/css">
.container-img {
display: inline-block;
width: 36px;
height: 36px;
overflow: hidden;
}
.common-icon {
display: inline-block;
background: url(img/common-icon.png) no-repeat;
background-position: 0px 1px;
margin: -1px;
}
</style>
</html>4.css隐藏
img[src=""]{
opacity: 0;
} 显示全文