JavaScript implementation of a simple addition calculator

This article example shares the specific code of JavaScript to implement the addition calculator for your reference. The specific content is as follows

Specific requirements:

1. Page layout:
2. The calculation results also need to be displayed on the page after clicking the calculation button

Specific implementation:

<html>
  <head>
    <meta charset="utf-8">
    <title>Calculator</title>
    <script>
      function myck(type){
        var num1 = document.getElementById("num1");
        var num2 = document.getElementById("num2");
        if(type==1){
          // Calculation operation var result = parseInt(num1.value) + parseInt(num2.value);
          alert(result);
          document.getElementById("resultDiv").innerText="Final calculation result:"+
            result;
        }else if(type==2){
          if(confirm("Is it cleared correctly?")){
            // Clear num1.value = "";
            num2.value = "";
            document.getElementById("resultDiv").innerText="";
          }
        }
      }
    </script>
  </head>

  <body>
    <div style="margin-top: 100px;margin-left: 500px;">
      <span style="font-size: 60px;">Addition Calculator</span>   
    </div>
    <div>
      <div class="innerDiv" style="margin-left: 550px;">
        Number 1: <input id="num1" type="number" placeholder="Please enter number 1"> 
      </div>
    </div>
    <div>
      <div class="innerDiv" style="margin-left: 550px;">
      Number 2: <input id="num2" type="number" placeholder="Please enter number 2">
     </div> 
    </div>
    <div>
      <div style="margin-left: 600px;" class="innerDiv">
        <input type="button" onclick="myck(1)" value="Calculate">
        <input type="button" onclick="myck(2)" value="Clear">
      </div> 
    </div>
    <div id="resultDiv">

    </div>
  </body>
  <style>
    .innerDiv{
      margin-left: 420px;
      margin-top: 20px;
    }
  </style>
</html>

The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM.

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