源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>享学课堂</title> </head> <body> <p>A loop with a break.</p> <p id="demo"></p> <script> var text = ""; var i; for (i = 0; i < 10; i++) { if (i === 3) { break; } text += "The number is " + i + "<br>"; } document.getElementById("demo").innerHTML = text; </script> </body> </html>
运行结果