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Implement a Stack computer in Javascript (you will turn in a link to your progra

ID: 3675809 • Letter: I

Question

Implement a Stack computer in Javascript (you will turn in a link to your program in JSFiddle). This is a simple computer that keeps a stack, when a number is entered it goes onto the top of the stack. When an operation is entered, the previous 2 numbers are operated on by the operation.

For example

2 [enter] 2

5 [enter]   5 2

* [enter] * 5 2 -> collapses to 10

would leave at 10 at the top of the stack.

The program should use a simple input box, either a text field or prompt and display the contents of the Stack.

Explanation / Answer

https://jsfiddle.net/7hz33ddq/

please find

<input type="text" id="textBox">
<input type="submit" value="submit">
<button>Submit2</button>
<div id="myDiv">
</div>
<script>
var addEntry=function addEntry(){
var inputs=document.getElementById("textBox").value;

   if(inputs=='%'){
var a=stack.pop();
var b=stack.pop();
var c=a%b;
   stack.push(c);
   stack.print();
}
else if(inputs=='*'){
   var a=stack.pop();
var b=stack.pop();
var c=a*b;
   stack.push(c);
   stack.print();
} else if(inputs=='+'){
   var a=stack.pop();
var b=stack.pop();
var c=a+b;
   stack.push(c);
   stack.print();
} else if(inputs=='-'){
   var a=stack.pop();
var b=stack.pop();
var c=a-b;
   stack.push(c);
   stack.print();
}else{
   var c=document.getElementById("textBox").value;
c=parseInt(c);
   stack.push(c);
   stack.print();
}
}


function Stack() {

   var items = [];

   this.push = function(element){
       items.push(element);
   };

   this.pop = function(){
       return items.pop();
   };

   this.peek = function(){
       return items[items.length-1];
   };

   this.isEmpty = function(){
       return items.length == 0;
   };

   this.size = function(){
       return items.length;
   };

   this.clear = function(){
       items = [];
   };

   this.print = function(){
       console.log(items.toString());
     
          document.getElementById("myDiv").innerHTML=items.toString()

    
   };
}


(function(){
   stack = new Stack();
})();

</script>

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