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How to change image size

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Jan 09, 2019 pm 05:40 PM

Image size

Methods to change the image size: 1. Change the width and height in the HTML tag, code such as "img src="..." width="..." height="..."> "; 2. Use CSS styles to control the width and height attributes.

How to change image size

The operating environment of this article: Windows7 system, Dell G3 computer, HTML5&&CSS3.

When we design web pages, sometimes the images may not match the size. So how can we change the image size in the code? This article will introduce to you how to change the size of pictures?

We have two ways to change the size of the image: One is to change the width and height within the HTML tag; the other is to use CSS styles to control the width and height attributes.

Let’s first look at Changing the image width and height in the HTML tag

Use width directly in the image img tag and height attributes can control the width and height of the image.

The code is as follows

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title></title>
</head>
<body>
<img  src="/static/imghwm/default1.png"  data-src="img/tupian.jpg"  class="lazy"      style="max-width:90%"  style="max-width:90%" alt="How to change image size" >
</body>
</html>

The effect is as follows (the original image is 1072x768px):

How to change image size

##We can set the width and height directly in the image tag, It will seem intuitive.

Then let’s take a look

Use CSS styles to control the width and height attributes

We use the same picture, the code is as follows

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title></title>
	<style type="text/css">
		img{
			width: 150px;
			height: 150px;
		}
	</style>
</head>
<body>
<img  src="/static/imghwm/default1.png"  data-src="img/tupian.jpg"  class="lazy"    alt="How to change image size" >
</body>
</html>

The effect is as follows: the picture also It became 150x150px

How to change image size

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