HTML tag attributes

HTML5 input tag’s placeholder attribute can be used to add a placeholder text (hint which disappears automatically) in input element. Before HTML5 people used to read more

HTML attribute contenteditable makes an element editable. Few things to note about attribute contenteditable Its value can be empty string, true or false. Empty string read more

HTML5 script async attribute can be used to load a script asynchronously. with async one can also use onload attribute to attach any javascript code read more