[JS]1.Hello Word

1.Hello Word

 1 <!DOCTYPE html> 
 2 <html>
 3 <head>
 4     <title>Hello World!</title>
 5 </head>
 6 <body>
 7     <p>Hello World!</p>
 8     <script type="text/javascript"> 
 9     </script>
10 </body>
11 </html>

 1 <!DOCTYPE html> 
 2 <html>
 3 <head>
 4 <title>Hello World!</title>
 5 </head>
 6 <body>
 7 <p>Hello World!</p>
 8 <input type="button" value="Click Me" onclick="showMessage()" /> 
 9 <input type="button" value="Click Me" onclick="sayHi()" /> 
10  <script type="text/javascript"> 
11     function showMessage(){     
12         alert("Hello world!"); 
13     } 
14 </script> 
15 <script type="text/javascript" src="Hello.js"> </script>
16 </body>
17 </html>

 1 function sayHi(){  
 2         Person.prototype.name = "Nicholas"; 
 3         Person.prototype.age = 29; 
 4         Person.prototype.job = "Software Engineer"; 
 5         Person.prototype.sayName = function(){ 
 6         alert(this.name); 
 7         }; 
 8         var person = new Person();         
 9         alert(person.name);  
10         person.sayName();
11         person.name = "Greg"; 
12     } 
13     function Person(){ 
14     }

Hello.js