JavaScript 函数调用 javascript label continue 语句 JavaScript 函数参数 JavaScript 函数调用 <html> <head> <script type = "text/javascript"> function sayHello() { document.write ("Hello there!"); } </script> </head> <body> <p>Click the following button to call the function</p> <form> <input type = "button" onclick = "sayHello()" value = "Say Hello"> </form> <p>Use different text in write method and then try...</p> </body> </html> javascript label continue 语句 JavaScript 函数参数