How to set input in html so that only numbers can be entered-HTML Tutorial-php.cn

How to set input in html so that only numbers can be entered

青灯夜游

Release： 2021-12-10 16:02:42

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In HTML, you can use the type attribute to set the input to only input numbers. You only need to set the value of the type attribute to "number", and the syntax is "".

How to set input in html so that only numbers can be entered

The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.

In html, you can use the type attribute to set the input to only enter numbers .

The type attribute specifies the type of element to be displayed.

When the value of the type attribute is "number", you can define a field for specifically entering numbers (only numbers can be entered).

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
	</head>

	<body>
		<input /><br><br>
		<input type="number" />
	</body>
</html>

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How to set input in html so that only numbers can be entered

Extended knowledge: the value of the type attribute

Value	Description
button	Defines a clickable button (often used with JavaScript to launch a script).
checkbox	Define the checkbox.
color	Define the color picker.
date	Define date control (including year, month, day, excluding time).
datetime	Define date and time controls (including year, month, day, hour, minute, second, fraction of a second, based on UTC time zone).
datetime-local	Define date and time controls (including year, month, day, hour, minute, second, fraction of a second, without time zone) .
email	Defines the fields used for e-mail addresses.
file	Define the file selection field and "Browse..." button for file upload.
hidden	Define hidden input fields.
image	Define the image as the submit button.
month	Define month and year controls (without time zone).
number	Defines the field for entering numbers.
password	Define the password field (characters in the field will be masked).
radio	Define radio buttons.
#range	Defines a control for entering numbers where the exact value is not important (such as a slider control).
reset	Define the reset button (reset all form values to default values).
search	Define the text field used to enter the search string.
submit	Define the submit button.
tel	Defines the field for entering a phone number.
text	Default. Defines a single-line text field (default width is 20 characters).
time	Defines a control for entering time (without time zone).
url	Defines the field for entering the URL.
week	Define week and year controls (without time zone).

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