Friday, August 13, 2021

Fibonacci Series Using Controllers in AngularJS

 A simple program to ask the user to give a number and then the program will compute and display the Fibonacci series using the controller in AngularJS.

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Program Listing

<!-- index.htm

  Author   : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT

  Date     : August 13, 2021  9:14 AM Friday

  Place    : Bacolod City, Negros Occidental

  Websites : www.jakerpomperada.com and www.jakerpomperada.blogspot.com

  Email    : jakerpomperada@gmail.com

 -->

<html>

  <head>

    <title>Fibonacci Series Using Controllers in AngularJS</title>

  <script type="text/javascript" src="angular.min.js"></script>

    <script>

    var myApp=angular.module("myModule",[]);

    myApp.controller("Fibonacci_Series",function($scope) {

    $scope.Fibonacci_Generate=function()

    {

          

       $scope.result = "Fibonacci Series"


      var arr = [];

  

      let n1 = 0, n2 = 1, nextTerm;


    for (let i = 1; i <= $scope.a; i++) {

        arr.push(n1);

        document.getElementById("outputDiv").innerHTML = arr;

        nextTerm = n1 + n2;

        n1 = n2;

        n2 = nextTerm;

    }

        

      }


      $scope.Clear_All=function()

          {

          $scope.a = "";  

          document.getElementById("outputDiv").innerHTML = "";

          $scope.result = "";

               

      }

    

    

  });

     </script>

 </head>

 <style>

body {

font-family: arial;

font-size: 25px;

font-weight: bold;

}

</style>

 <body ng-app="myModule" ng-controller="Fibonacci_Series">

  <h3>Fibonacci Series Using Controllers in AngularJS

  </h3>

 <div>

  <table border="0">

  <tr>

  <td>

  Give a Positive Number 

  </td>

       <td>

         <input type="number" ng-model="a"/>

       </td>

      <tr>

 

      <tr>

      <td colspan="10">

      <br>

      <input type="button" ng-click="Fibonacci_Generate();"

      value="Generate Fibonacci Series"/>

           <input type="button" ng-click="Clear_All();"

           value="Clear"/>

      </td>

      </tr>

      </table>

     </div>

     

     <p> {{result}} </p> 

      

    <textarea id="outputDiv" name="outputDiv" rows="4" cols="50">


</textarea>

  

    

  </body>

</html>


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