Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <input type="text" id="myText" value="一个文本字段"> <p>单击按钮以提供焦点和/或从文本字段中移除焦点。</p> <button type="button" onclick="getFocus()">获得焦点</button> <button type="button" onclick="loseFocus()">失去焦点</button> <script> function getFocus() { document.getElementById("myText").focus(); } function loseFocus() { document.getElementById("myText").blur(); } </script> </body> </html>