Link to W3Schools width="100" 意思是 100px, element.width 拿到的是 number, 如果是 100%, 那么会拿到 computed 后的 number. 用style="width:100px" element.width 也是可以拿到 computed 后的 number HTML Image Maps Link to W3Schools Image map 是在图片之上做一个可点击区域. 那么我们就可以让用户...
<!DOCTYPE html> <html> <body> <h2>Image Maps</h2> <p>Click on the computer, the phone, or the cup of coffee to go to a new page and read more about the topic:</p> <img src="workplace.jpg" alt="Workplace" usemap="#workmap" width="400" height="379"> <...
<html> <body> <img src="planets.gif" width="145" height="126" usemap="#planetmap"> <map name="planetmap"> <area id="venus" shape="circle" coords="124,58,8" alt="Venus" href="venus.htm"> </map> <p>Click the button to return the shape of the "venus" area...
Hello & Thanks , I am getting this error: Uncaught TypeError: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The provided value is not of type '(HTMLImageElement or HTMLVideoElement or HTMLCanvasElement or ImageBitmap)' on this line: ctx.dr
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
<html> <body> <a href="/action_page.php"> <img id="myImg" src="w3javascript.gif" alt="W3Schools.com" width="100" height="132" ismap> </a> <p>Click the button below to find out if the image is part of a server-side image-map (an image-map is an image with ...
<html> <body> <img src="planets.gif" width="145" height="126" usemap="#planetmap"> <map name="planetmap"> <area id="venus" shape="circle" coords="124,58,8" alt="Venus" href="venus.htm"> </map> <p>Click the button to display the pathname of the href attri...
<!DOCTYPE html> <html> <body> <a href="/action_page.php"> <img id="myImg" src="w3javascript.gif" alt="W3Schools.com" width="100" height="132"> </a> <p>Click the "Try it" button to specify that the image should be part of a server-side image-map.</p> ...
<html> <body> <img src="planets.gif" width="145" height="126" usemap="#planetmap"> <map name="planetmap"> <area id="venus" shape="circle" coords="124,58,8" alt="Venus" href="venus.htm"> </map> <p>Click the button to display the pathname of the href attri...