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What is the role of altKey Mouse Event in JavaScript?

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Release： 2023-09-07 18:01:06

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altKey Mouse Event在JavaScript中的作用是什么？

altkeyThe mouse event property is used to display whether the SHIFT key was pressed when the mouse button was clicked.

Example

You can try running the following code to learn how to implement altKey mouse events in JavaScript.

<!DOCTYPE html>
<html>
   <body onmousedown="funcAltKey(event)">
      <div>Press and hold ALT key and then click here.</div>
      <script>
         function funcAltKey(event) {
            if (event.altKey) {
               alert("ALT key: Pressed");
            } else {
               alert("ALT key: NOT Pressed");
            }
         }
      </script>
   </body>
</html>

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