Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <p>单击按钮将“blue”、“house”和“car”设置为大写，如下段落：</p> <p id="demo">Mr Blue has a blue house and a blue car.</p> <button onclick="myFunction()">试一试</button> <script> function myFunction() { var str = document.getElementById("demo").innerHTML; var res = str.replace(/blue|house|car/gi, function (x) { return x.toUpperCase(); }); document.getElementById("demo").innerHTML = res; } </script> </body> </html>