运行 ❯
获取您
自己的
网站
×
更改方向
保存代码
更改主题,深色/浅色
前往 Spaces
<!DOCTYPE html> <html> <body> <h1>JavaScript Strings</h1> <h2>The replace() Method</h2> <p>replace() searches a string for a value, and returns a new string with the specified value(s) replaced:</p> <p id="demo">Mr Blue has a blue house and a blue car.</p> <script> let str = document.getElementById("demo").innerHTML; let res = str.replace(/blue/g, "red"); document.getElementById("demo").innerHTML = res; </script> </body> </html>