HTML页面中插入图片的几种方法
1 直接使用 img 标签<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Title</title>&
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1 直接使用 img 标签
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<img src="picture.png" width="300" height="300">
</body>
</html>
2 用js创建一个 img 元素
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<script>
var myImage = document.createElement("img");
myImage.src = "picture.png";
myImage.width = 300;
myImage.height = 300;
document.body.appendChild(myImage);
</script>
</body>
</html>
3 使用 Image 对象,该Image构造函数创建了一个新的HTMLImageElement实例,它在功能上等同于document.createElement("img")
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<script>
var myImage = new Image(300, 300);
myImage.src = "picture.png";
document.body.appendChild(myImage);
</script>
</body>
</html>
4 使用innerHTML,动态添加
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<script>
document.body.innerHTML = '<img src= "picture.png" height="300" width="300" />';
</script>
</body>
</html>
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