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Editor to share with you what is the required attribute of the input field in html5. I hope you will get something after reading this article. Let's discuss it together.

In html5, the required attribute for the input field is "required" and the syntax is "" or ""; this attribute states that the input field must be filled in before submitting the form, and when the attribute is used for the element, the field is required.

The operating environment of this tutorial: windows10 system, HTML5 version, Dell G3 computer.

In html, the required attribute can specify that the input field is required.

The required property is a Boolean property. The required attribute states that the input field must be filled in before the form is submitted. If you use this property, the field is required (or required).

The syntax is as follows:

Or

Examples are as follows:

123 Username:

Note: Internet Explorer 9 and earlier IE versions, or Safari does not support the required attribute of the input tag.

Output result:

After reading this article, I believe you have a certain understanding of "what are the required attributes for input fields in html5". If you want to know more about it, you are welcome to follow the industry information channel. Thank you for reading!

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