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HTML5 browser support
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- 2019-10-23 15:47:352392browse
You can help older browsers process HTML5.
HTML5 Browser Support
All modern browsers support HTML5. (Recommended learning: html tutorial)
In addition, all browsers, old and new, will automatically treat unrecognized elements as inline elements.
Because of this, you can help older browsers handle "unknown" HTML elements.
Note: You can even teach Stone Age IE6 how to handle unknown HTML elements.
Defining HTML5 elements as block-level elements
HTML5 defines eight new semantic HTML elements. All are block-level elements.
You can set the CSS display property to block to ensure correct behavior in older browsers:
Example
header, section, footer, aside, nav, main, article, figure {
display: block;
}Ask HTML Adding New Elements
You can add any new element to HTML via browser tricks:
This example adds a new element named 523a75af872c9b7da9495f252f14cbcb to HTML, and Define the display style for it:
Instance
<!DOCTYPE html>
<html>
<head>
<title>Creating an HTML Element</title>
<script>document.createElement("myHero")</script>
<style>
myHero {
display: block;
background-color: #ddd;
padding: 50px;
font-size: 30px;
}
</style>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
<myHero>My First Hero</myHero>
</body>
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