First, write and select some text in the editor.
StartContainer
EndContainer
You can use the following buttons to change the appearance of the selected text:
Bold
Italic
Color red
JustifyLeft
JustifyRight
JustifyCenter
CreateLink1
DeleteLink
InsertImage
SetFontSize1
SetFontSize2
SetFontFamily
Delete
ShowResult
QueryCommandBoldState
QueryCommandItalicState
QueryCommandForeColorState
QueryCommandFontSizeState
QueryJustifyState
GetTextCursor