源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>享学课堂</title> </head> <body> <h1>JavaScript while循环</h1> <p id="demo"></p> <script> var text = ""; var i = 0; while (i < 10) { text += "<br>The number is " + i; i++; } document.getElementById("demo").innerHTML = text; </script> </body> </html>
运行结果