Can multiple HTML elements have same ID?

Can multiple HTML elements have same ID?

The HTML id attribute is used to specify a unique id for an HTML element. You cannot have more than one element with the same id in an HTML document.

Can multiple HTML elements have the same ID What About the same class?

This is because an id value can be given to only one HTML element, in other words, multiple elements cannot have the same id value on the same page.

What happens if multiple elements have same ID?

If you have multiple elements with the same ID, you’ll only run into problems when using JavaScript to access those elements. For example, if you were to do document. getElementById(‘duplicateId’) , you would only get back one element instead of two. Other than that, the browser will render the page just fine.

Can you use ID more than once HTML?

You can use ids more than once. The browser will still apply the styles. It is, however, not best practice to do so and is classed as invalid markup. To get around it you can add a class to the element.

Can elements have two IDs?

An element can’t have more than one ID and an ID can’t be used more than once in a page.

Can multiple elements have same class?

HTML elements can be assigned multiple classes by listing the classes in the class attribute, with a blank space to separate them. If the same property is declared in both rules, the conflict is resolved first through specificity, then according to the order of the CSS declarations.

Can you have spaces in IDS?

id ‘s value must not contain whitespace (spaces, tabs etc.). Browsers treat non-conforming IDs that contain whitespace as if the whitespace is part of the ID. In contrast to the class attribute, which allows space-separated values, elements can only have one single ID value.

Can HTML elements have multiple classes?

What is ID attribute in HTML?

The id global attribute defines an identifier (ID) which must be unique in the whole document. Its purpose is to identify the element when linking (using a fragment identifier), scripting, or styling (with CSS).

Can HTML element ID have spaces?

Should HTML IDs be Camelcase?

Always favor lowercase, for elements, for attributes and their values, for classes and ids. Multi-word names for classes and ids should either 1., concatenate the words in lowercase without any in-between character, or 2., separate each word with a “-” (not “_”) and maintain lowercasing throughout.