The id will give an element a id, so once you write real code, (like JavaScript) you can use the id to read elements. This can be done by a Text Box Field in HTML. HTML Character Sets HTML ASCII HTML ANSI HTML Windows-1252 HTML ISO-8859-1 HTML Symbols HTML UTF-8 Exercises HTML Exercises CSS Exercises JavaScript Exercises SQL Exercises PHP Exercises Python Exercises jQuery Exercises Bootstrap Exercises Java … That means that those names have to match type property names. underscores ("_"), colons (":"), and periods ("."). Suppose you have this setup: in order to get the value with PHP when posting your form, it will use the name-attribute, like this: The id is used for styling, as said before, for when you want to use specific css. Why does HTML think “chucknorris” is a color? Same can be achieved by name attribute, but it's preferred to use id in form and name for small form elements like the input tag or select tag. Stack Overflow for Teams is a private, secure spot for you and Once again, this should reference that id is not simply a replacement for name; they are different in purpose. So if you want to read this attribute later you will find it under the "name" in the POST or GET Request. name属性とid属性の違いは何なのでしょうか。特にid属性についてよくわかりません。本を読むと、「これからはDOMというオブジェクトの構造モデルが主流になる。DOMではオブジェクトをid属性で特定できる。」というようなことが載っていま idはCSSやJavaScriptでそのタグを指定する際に使われるものですが、nameはPHPで入力された値を送信する際に使われるものです。 使われる用途が違うので、全く関連性はない為、違う名前にしても構い … I hope you can find the following brief example helpful: In the code, note that both 'name' attributes are the same to define optionality between 'male' or 'female', but the 'id's are not equals to differentiate them. The names in name= must be unique within a form. The element can represent many different types of input. I would expect a SO answer to contain some semantic info regarding the difference between id and name, when to use each one, etc. The ID of a form input element has nothing to do with the data contained within the element. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. However, in some cases, particularly form fields (
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