Điều tương tự có thể xảy ra cho một người sử dụng nhìn thấy nếu một cửa sổ mở ra ở kích thước đầy đủ: bạn và tôi có thể quen thuộc với việc sử dụng các thanh tác vụ để giám sát cửa sổ đang mở, nhưng không phải tất cả người dùng máy tính họ có thể thậm chí không nhận ra rằng một cửa sổ mới hiện lên | The Short Way Using Event Handlers Table . DOM 0 event handlers DOM 0 Event Handler W3C DOM Event Indicated Action onblur blur Remove focus from an element by clicking outside or tabbing away from it. onfocus focus Focus the cursor on an element. onchange change Remove focus from an element after changing its content. onmouseover mouseover Move the mouse pointer over an element. onmouseout mouseout Move the mouse pointer out of an element. onmousemove mousemove Move the mouse pointer while it is over an element. onmousedown mousedown Press a mouse button while the pointer is over an element. onmouseup mouseup Release a mouse button while the pointer is over an element. onclick click Press and release the main mouse button or keyboard equivalent Enter key while the pointer is over an element. ondblclick dblclick Double-click the main mouse button while the pointer is over an element. onkeydown keydown Press a keyboard key while an element has focus. onkeyup keyup Release a keyboard key while an element has focus. onkeypress keypress Press and release a keyboard key while an element has focus. onsubmit submit Request that a form be submitted. onload load Finish loading a page and all associated assets . images . onunload unload Request a new page to replace the currently-displayed page or close the window. In using DOM 0 event handlers once you have a reference to the element whose events you want to handle it s a simple matter of assigning a handling function to the appropriate property Order the print version of this book to get all 588 pages 231 Chapter 13 Basic Dynamic HTML File excerpt var mylink mylink engage function engage alert Engage return false You ll note that in the function assignment engage parentheses do not follow the function name. Their inclusion would execute the function immediately and assign the return value as the event handler. By omitting the parentheses you can .
