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学ぶ HTML Input Attributes for Enhanced Functionality | Section
HTML Essentials

bookHTML Input Attributes for Enhanced Functionality

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You already know how to use inputs and labels. Now let's look at the most useful attributes that make input fields more helpful and user-friendly.

Common Input Attributes

Placeholder

Shows hint text inside the field.

<input type="text" placeholder="Enter your email" />

Name

Identifies the field when the form is submitted.

<input type="text" name="username" />

Value

Sets a default value in the field.

<input type="tel" value="+1 (484) 298-9732" />

Required

Prevents form submission if the field is empty.

<input type="password" required />

Disabled

Makes the field uneditable and non-interactive.

<input type="text" value="New York" disabled />

Readonly

Displays a value that users can copy but cannot change.

<input type="text" value="USA" readonly />

Min and Max

Set limits for numeric inputs.

<input type="number" min="21" max="99" />
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1. Which attribute provides a hint or example text within an input field, guiding users on what type of input is expected?

2. What attribute specifies the input field's name, which is used to identify the input data when the form is submitted?

3. Which attribute prevents form submission if the required field is left empty?

question mark

Which attribute provides a hint or example text within an input field, guiding users on what type of input is expected?

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question mark

What attribute specifies the input field's name, which is used to identify the input data when the form is submitted?

正しい答えを選んでください

question mark

Which attribute prevents form submission if the required field is left empty?

正しい答えを選んでください

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