rdip/javascript.html at master · ATMAKURISRICHARAN/rdip · GitHub

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<!DOCTYPE html>
<html>
<head>
  <title>java</title>
<style>
table,td, th {
  border: 1px solid black;
  text-align:left;
  padding: 8px;
}

tr:nth-child(even) {
  background-color: #dddddd;
}
</style>
</head>
<body>
<h2>JAVA SCRIPT<h2>
</br>
</br>
<p id="demo">what is javascript ?</p>
<button onclick="aboutjava()">click me to know</button>
</br>
</br>
<hr>
<table id="Mytable">
  <tr>
    <th>SUBJECT</th>
    <th>MARKS</th>
  </tr>
  <tr>
    <td>DIGITAL SIGNAL PROCESSING</td>
    <td>70</td>
  </tr>
  <tr>
    <td>MICRO WAVE ENGINEERING</td>
    <td>60</td>
  </tr>
  <tr>
    <td>NETWORK ANALYSIS</td>
    <td>75</td>
  </tr>
  <tr>
    <td>SIGNALS AND SYSTEMS</td>
    <td>65</td>
  </tr>
  <tr>
    <td>ELECTRONIC CIRCUIT ANALYSIS</td>
    <td>70</td>
  </tr>
  <tr>
    <td>CONTROL SYSTEMS</td>
    <td>70</td>
  </tr>
</table>
<h4 id="total1" style="font-size:50px"></h4>
<hr>
<button type="button" onclick="addingrow()">Addsubject</button>
<h5 style="font-size:50px; text-decoration:underline">ADDEDSUBJECT</h5>
<h4 id="total2" style="font-size:50px"></h4>
<h4 id="average1" style="font-size:50px" ></h4>
<hr>
Firstno:<input type="text" id="input1" oninput="number()"style="margin-left:20px"><br><br>
SecondNo:<input type="text" id="input2" oninput="number()"><br><br>
result:<input id="result"readonly style="margin-left:30px"/>
<hr>
Enter a word:<input type="text"  name="text" id="check"/>
<input type="submit" name="submit" value="check" onclick="alphabet()"/>
<hr>
number:<input type="text" id="input3" onclick="power()"><br><br>
power:<input type="text" id="input4" onclick="power()"><br><br>
result:<input id="result1"readonly /><br><hr>
number:<input type="text" id="input5" onclick="squareroot()"><br><br>
result:<input id="result2"readonly /><br><hr>
number:<input type="text" id="input6" onclick="absolute()"><br><br>
result:<input id="result3"readonly /><br><hr>
<input type="submit" name="submit" value="generate" onclick="rand()"/><br><br>


<script>
  <!--varibles in console--!>
  var a=5;
  var b=2;
  console.log(a*b);
  <!--array--!>
c=[1,2,3,4];
console.log(typeof c[3].toString());


 <!--elements in page is converted using java--!>
  function aboutjava(){
    document.getElementById("demo").innerHTML="javascript is one of the 3 languages all web developers must learn:"+"<br>" +"1. HTML to define the content of web "+"<br>"+" 2. CSS to specify the layout of web "+"<br>"+" 3. JavaScript to program the behavior of web pages ";
  }

  <!--table task1--!>
    var table=document.getElementById("Mytable");
     sum1=0;
     c=0;
    for(var i=1;i<table.rows.length;i++){
            sum1=sum1+parseInt(table.rows[i].cells[1].innerHTML);
            c=c+1;
    }
      document.getElementById("total1").innerHTML="total="+sum1;
      <!--tabletask2--!>
     function addingrow(){
      var table=document.getElementById("Mytable");
      var row=table.insertRow(7);
      var cell1=row.insertCell(0);
      var cell2=row.insertCell(1);
      cell1.innerHTML="ENGINEERING MATHEMATICS";
      cell2.innerHTML="70";
      sum2=0;
     c=0;
    for(var i=1;i<table.rows.length;i++){
            sum2=sum2+parseInt(table.rows[i].cells[1].innerHTML);
            c=c+1;
    }
      document.getElementById("total2").innerHTML="total="+sum2;
      document.getElementById("average1").innerHTML="avg="+(sum2/c);
    }
  function number(){
    var input1= document.getElementById("input1").value;
    var input2=document.getElementById("input2").value;
    myresult=input1*input2;
    document.getElementById("result").value=myresult;
  }
  <!--Alphabetsonly--!>
   function alphabet(){
       var d=document.getElementById("check").value;
       var alphabets=/^[A-Za-z]+$/;
   if(d.match(alphabets))
     {
       alert('your name have accepted:');
     }
   else
     {
        alert('please give the input aplhabet characters');
     }
}
   <!--math operation-->>
    function power(){
      var a=document.getElementById("input3").value;
      var b=document.getElementById("input4").value;
      powerresult=Math.pow(a,b);
      document.getElementById("result1").value=powerresult
    }
    function squareroot(){
      var a=document.getElementById("input5").value;
      squarerootresult=Math.sqrt(a);
      document.getElementById("result2").value=squarerootresult
    }
    function absolute(){
      var a=document.getElementById("input6").value;
      absoluteresult=Math.abs(a);
      document.getElementById("result3").value=absoluteresult
    }
    function rand(){
      var rand=Math.random();
      document.write("<h4>randomnumber:="+rand+"</h4><br>");
      document.write("multiply by 100="+(rand*100)+"</h4><br>");
      document.write("floor="+Math.floor(rand*100)+"</h4><br>");
      document.write("ceil="+Math.ceil(rand*100)+"</h4><br>");
      document.write("cos="+Math.cos(rand*100)+"</h4><br>");
      document.write("sin="+Math.sin(rand*100)+"</h4><br>");
    }
</script>
</body>
</html>