Disclosed is a method of editing text using a web-based text editor. The method comprises opening a document using a web-based text editor; receiving a first user input for selecting a block of text in the document; in reply to the first user input, inserting, into a source code of the document, a first temporary node before the selected block and a second temporary node after the selected block; receiving a second user input for applying an attribute to the selected block; and in reply to the second user input, adding an attribute node between the first and second temporary nodes of the source code so as to apply the attribute to at least part of the block of the document.