If you purchase a product or service linked from this site, we may receive an "affiliate commission". $(' textarea').attr('value', 'This is a line \nthis should be a new line');. Instead of using aria-placeholder, use the semantic or Let’s break down our code. By default, you can manually resize the multiline textbox. The placeholder text act as floating label to the multiline textbox. The text within this tag is rendered in a fixed-width font (usually Courier). size: This number indicating how many characters wide the input field should be. To create a multi-line text input, use the HTML Attribute: autofocus: It specifies when the page is loaded … Textareas are added to HTML documents using the textarea … Select. HTML Web Development Front End Technology. Multiline Placeholder. The size of a text area is often such by the cols and rows attributes, or perhaps better; through CSS’ height and dimension properties. placeholder: When input text filed empty that will show as an exemplary value to display. Any string that contains no line feed (U+000A, “LF”) or carriage return (U+000D, “CR”) characters. This feature allows the textbox to accept one or more lines of text like address, description, comments, and more. The AutoSize property will force the component to resize itself during keyboard input so that it … 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. Multiline. Setting these is a good idea for consistency, as browser defaults can differ. Multiline. required: bool: false : If true, the label is displayed as required and the input element` will be required. The effect is complemented by the use of the old-fashioned typewriter-style … The