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JavaScript Class

HTML CODE:  <html>   <head>    <script type="text/javascript" src="classinjs.js">    </script>   </head>   <body>     This for the class and object example in javascript->   </body> </html> JAVASCRIPT CODE: class std { constructor(fname,lname) { this.fristname = fname;//it will call the function variable this.lastname = lname; var fullname = fristname + lastname; alert(fullname); } var register = new std('coimbatore','cbe'); SCREENSHOTS:

Regix(Regular Expression)

HTML CODING: <!DOCTYPE html> <html>   <head>      <script type="text/javascript" src="regularexpression.js">      </script>   </head>          <body>        <form name="myform">         <p id="mypar">hi i'm dynamic change my text before click</p>                  <input type="text" name="longtext" placeholder="long text"/><br>           <input type="button" value="slmatch" name="get" onclick="reqexp()"/>           <input type="button" value="changetext" name="get" onclick="changetxt()"/><br>           <input type="button" value="mlmatch"...