<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<img src="./img/solar.jpg" onerror="imgEoorr(this)">
</body>
<script>
function imgEoorr(img){
img.onerrorr='';
img.src='./img/default.jpg';
return true;
}
</script>
</html>
图片地址正确时，显示如下：
<img src="./img/solar1.jpg" onerror="imgEoorr(this)">
当地址写成src="./img/solar1.jpg"时，onerror生效：
