Multiline Placeholder. ; The minLength property specifies a minimum length that is considered valid.Textarea will not submit (and is invalid) if it is … The placeholder text act as floating label to the multiline textbox. But you can also create an auto resizing multiline textbox with both the initial and dynamic value change. Instead of using aria-placeholder, use the semantic or Let’s break down our code. Preview. The multiline prop transforms the text field into a textarea or a TextareaAutosize. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. size: This number indicating how many characters wide the input field should be. Sizing. a sample value or a short description of the expected format). TextAreas are multiline text inputs, useful for cases where users have a sizable amount of text to enter. It can be done by calculating the height of the textarea in the created event for initial value update and in the input event for dynamic value update of the auto resize multiline textbox, as explained in the following code sample. Note that on … This feature allows the textbox to accept one or more lines of text like address, description, comments, and more. In short, the opening and closing tags for the