Java Script starting file

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Javascript</title>
  </head>
  <body>
<h1>Welcome to ritesh javascript tutorial </h1>
<div class="container">
<button id="click">click me </button>
        </div>
    <script>
  
  </script>
  </body>
  
</html>



or where you can add script source 



<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Javascript</title>
  </head>
  <body>
<h1>Welcome to ritesh javascript tutorial </h1>
<div class="container">
<button id="click">click me </button>
         </div>
 <script src="location "></script>
  </body>
 
</html>

-------------------------------------------------------------------
id cant be duplicated only to identify 


--------------------------------------------------------------------------------------------------

console API and ways to interact with the console 


<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Javascript</title>
  </head>
  <body>
<h1>Welcome to ritesh javascript tutorial </h1>
<div class="container">
<button id="click">click me </button>
</div>
  </body>
  <script>
  console.log("Hello world" , 4+6 , "New Log");
  alert("He there");
  document.write("This is an document");
  console.warn("This is warning");
  console.error("This is an error");
  console.assert(4==4)
  </script>
</html>




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