运行 ❯
获取您
自身
网站
×
更改方向
保存代码
更改主题,深色/浅色
转到 Spaces
<!DOCTYPE html> <html> <body> <h1>JavaScript Strings</h1> <h2>The search() Method</h2> <p>search() searches a string for a value and returns the position of the first match:</p> <p id="demo"></p> <script> let text = "Mr. Blue has a blue house" let position = text.search(/Blue/); document.getElementById("demo").innerHTML = position; </script> </body> </html>