Table of Contents
Obtaining the Raw Value of an <input type="number"> Field
Understanding the Input Number Field
Retrieval of Raw Value
Alternative Approach
Note
Home Web Front-end JS Tutorial How to Get the Raw Value from an `` Field?

How to Get the Raw Value from an `` Field?

Nov 20, 2024 pm 05:04 PM

How to Get the Raw Value from an `` Field?

Obtaining the Raw Value of an Field

In an HTML5 form, the element provides an interface for user input of numeric data. By default, the browser validates the input and returns an empty string if it's not a valid number. However, there may be scenarios where you want to access the raw, unvalidated input.

Understanding the Input Number Field

When using an field, the browser enforces the following rule as per the WHATWG standard: If the input is not a valid floating-point number, the value property of the input element is set to an empty string.

Retrieval of Raw Value

Unfortunately, there is no direct way to access the raw value of an field in modern browsers. This is because the browser sanitizes the input and ensures it conforms to the specified type.

Alternative Approach

If you need to capture non-numeric input, you can consider using the traditional field. This allows you to capture any user input without restrictions. However, you will need to implement your own validation and parsing logic to determine if the input represents a valid number or not.

Note

According to the W3C specifications, user agents are prohibited from allowing non-empty, non-valid floating-point number input values in fields. Therefore, it's not advisable to rely on the assumption that you can retrieve raw values from these fields, as browser behavior may change in the future.

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