Browser Support. Hello, If I attempt to pre-populate a that is under the control of summernote, anything that is in HTML format is not rendered correctly. The ::placeholder selector selects form elements with placeholder text, and let you style the placeholder text. Mozilla Firefox 19+ is using a pseudo-element: ::-moz-placeholder, but the old selector will still work for a while. Should work with this ::-webkit-input-placeholder prefix but it's still not solving issue. Usually, when you enter the grammatically incorrect words inside or