返回到:Prototype – 事件处理
此方法确定与按钮相关的鼠标事件是否与“左”(实际上是主要的)按钮有关。
Event.isLeftClick(event);
如果按下左键则返回真。
注意– 看起来它在 MSIE 中不起作用。
<html> <head> <title>Prototype examples</title> <script type = "text/javascript" src = "/javascript/prototype.js"></script> <script> // Register event 'click' and associated call back. Event.observe(document, 'click', respondToClick); // Callback function to handle the event. function respondToClick(event) { var bool = Event.isLeftClick(event); if ( bool ) { alert("Left button is pressed...." ); } } </script> </head> <body> <p id = "note"> Click anywhere to see the result.</p> <p>This example may not work in IE.</p> <p id = "para1">This is paragraph 1</p> <p id = "para2">This is paragraph 2</p> <div id = "division">This is divsion.</div> </body> </html>
返回到:Prototype – 事件处理