<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <script> var str = "Visit RUnoob"; var patt1 = /runoob/i; document.write(str.matc…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>整数最多为 15 位.</p> <button onclick="myFunction()">点我</button> &…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <script> var i; var mycars = new Array(); mycars[0] = "Saab"; mycars[1] = "V…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <script> var d=new Date(); document.write(d); </script> </body> </html> &…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <script> document.write("Hello World!"); </script> </body> </html&…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <script> var txt = "Hello World!"; document.write(txt.length); </script> &l…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>如果时间早于 20:00,会获得问候 "Good day".</p> <button onclick="myFunction()…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>创建 JavaScript 对象.</p> <p id="demo"></p> <script> var p…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <script> var carname1="Volvo XC60"; var carname2='Volvo XC60'; var answer1='It\'s…
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p> JavaScript 能够直接写入 HTML 输出流中: </p> <script> document.write("<h1>这…