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<ol>
<li>Step 1: Preheat the oven</li>
<li>Step 2: Mix the ingredients</li>
<li>Step 3: Pour the batter into the pan</li>
</ol>
An unordered list is a list of items that are not numbered, and the order in which they are displayed is not important. It is typically used to present a list of items where the order doesn’t matter. For example, a list of ingredients for a recipe, or a list of links to related websites.
To create an unordered list in HTML, you use the <ul> tag. Each list item is then enclosed in an <li> tag, like this:
<ul>
<li>Eggs</li>
<li>Milk</li>
<li>Flour</li>
</ul>
Both ordered and unordered lists are useful for organizing information on a web page and improving its readability. They are easy to create and can be customized with CSS to match the design of the website.
In your JavaScript code, get a reference to the Canvas element using the
getElementByIdmethod, like this:
var canvas = document.getElementById("myCanvas");
Get the 2D context of the Canvas element using the
getContextmethod. This context object provides methods for drawing on the canvas, like this:
var ctx = canvas.getContext("2d");
Use the various methods of the context object to draw shapes, lines, text, and images on the canvas. Some of the commonly used methods include
fillRect,strokeRect,beginPath,moveTo,lineTo,fillText,drawImage, etc. For example, to draw a red rectangle on the canvas, you can use the following code:
ctx.fillStyle = "red";
ctx.fillRect(50, 50, 100, 100);
You can also use the Canvas element to create animations by repeatedly redrawing the canvas with different shapes or images. This can be done using the
setIntervalorrequestAnimationFramemethods in JavaScript.
Overall, the Canvas element provides a lot of flexibility and power for creating graphics on a web page. With some practice and experimentation, you can create stunning visual effects and interactive animations that can enhance the user experience of your website.
<audio src="music.mp3" controls></audio>
<video></video>
You can also add other attributes to the
<audio>or<video>element to customize the media player. For example, you can add a poster image using theposterattribute, or specify the dimensions of the player using thewidthandheightattributes, like this:
<video width="640" height="360"></video>
To add multiple source files for cross-browser compatibility, you can use the
<source>element inside the<audio>or<video>element. This allows the browser to choose the best format to use based on the browser’s capabilities and the user’s device. For example:
<video>
<source src="video.mp4" type="video/mp4">
<source src="video.webm" type="video/webm">
Your browser does not support the video tag.
</video>
Finally, you can use JavaScript to interact with the media player, such as playing or pausing the media, seeking to a specific time, or adjusting the volume. This can be done using the methods and properties provided by the media element object, which can be accessed using the
getElementByIdmethod in JavaScript, like this:
var myAudio = document.getElementById("myAudio");
myAudio.play(); // start playing the audio
myAudio.pause(); // pause the audio
myAudio.currentTime = 30; // seek to 30 seconds
myAudio.volume = 0.5; // set the volume to 50%
Using the <audio> and <video> elements in HTML5, you can add media to your web page and provide a rich, multimedia experience for your users.
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