What is input group?

The . input-group class is a container to enhance an input by adding an icon, text or a button in front or behind the input field as a “help text”. Use . input-group-prepend to add the help text in front of the input, and . input-group-append to add it behind the input.

What does a form group do?

A FormGroup aggregates the values of each child FormControl into one object, with each control name as the key. It calculates its status by reducing the status values of its children. For example, if one of the controls in a group is invalid, the entire group becomes invalid.

Why form group class is added for all input fields?

form-group class is the easiest way to add some structure to forms. It provides a flexible class that encourages proper grouping of labels, controls, optional help text, and form validation messaging. By default it only applies margin-bottom , but it picks up additional styles in . form-inline as needed.

Is form group necessary?

1 Answer. All it really does is help you get a more standard looking form. My advice would be to use it in a consistent manner, for example, group x elements with a . form-control class, or, do them individually, but don’t chop and change unless absolutely neccessary.

When to use form group or input group?

Instead, nest the input group inside of the form group. However, the form-group example just above it does not use input-group in it, so I’m confused where it fits in and when to use it. Thanks. I know this is old but I had the same question.

What’s the difference between input group prepend and input group append?

The .input-group-prepend class is used to add groups to the front of the input. The .input-group-append class is used to add it behind the input. The .input-group-text class is used to style the text that is displayed inside the group. The following example demonstrate these input groups:

How to add groups to the front of the input box?

Basic input groups: The following classes are the base classes that are used to add the groups to either sides of the input boxes. The .input-group-prepend class is used to add groups to the front of the input.

What are the different sizes of input groups?

There are 3 possible sizes of input groups: The .input-group-sm class is used for a smaller size. The .input-group-lg class is used for a larger size. The .input-group class is the default size. Note: Sizing on the individual input group elements isn’t currently supported. Using Multiple Inputs: Multiple inputs could be used with input groups.