Test -webkit-user-select all user select all area Test -webkit-user-select all Test -webkit-user-select all selection movements and extensions (left right forward backward) On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". placeCaretBeforeUserSelectAllElement() window.getSelection().modify('extend', 'forward', 'character') PASS Selection is the entire user-select-all element window.getSelection().modify('extend', 'backward', 'character') PASS Selection is right before user-select-all element window.getSelection().modify('extend', 'right', 'character') PASS Selection is the entire user-select-all element window.getSelection().modify('extend', 'left', 'character') PASS Selection is right before user-select-all element window.getSelection().modify('move', 'forward', 'character') PASS Selection is right after user-select-all element window.getSelection().modify('move', 'backward', 'character') PASS Selection is right before user-select-all element window.getSelection().modify('move', 'right', 'character') PASS Selection is right after user-select-all element window.getSelection().modify('move', 'left', 'character') PASS Selection is right before user-select-all element clickAt(descendant.offsetLeft + 10 , descendant.offsetTop + 10) PASS Selection is the entire user-select-all element mouseMoveFromTo(leftTarget.offsetLeft, descendant.offsetLeft + 20) PASS Selection is the entire user-select-all element plus everything on its left mouseMoveFromTo(userSelectAllElement.offsetLeft + userSelectAllElement.offsetWidth + rightTarget.offsetWidth, descendant.offsetLeft + 10) PASS Selection is the entire user-select-all element plus everything on its right PASS Selection is only the text in bold PASS successfullyParsed is true TEST COMPLETE