jsdatastructures/StackObjct.html at master · mrmabo/jsdatastructures · GitHub

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<script>

function Stack(){
	this.dataStore = [];
	this.top = 0;
}

Stack.prototype = {
	push: function(element){
		this.dataStore[this.top++] = element;
	},
	peek: function(){
		return this.dataStore[this.top-1];
	},
	pop: function(){
		return this.dataStore[--this.top];
	},
	clear: function(){
		this.top = 0;
	},
	length: function(){
		return this.top;
	}
}

var s = new Stack();
s.push("David");
s.push("Raymond");
s.push("Bryan");
document.writeln("length: " + s.length());
document.writeln("</br>")
document.writeln(s.peek());
document.writeln("</br>")

var popped = s.pop();
document.writeln("The popped element is: " + popped);
document.writeln(s.peek());
document.writeln("</br>")

s.push("Cynthia");
document.writeln(s.peek());
document.writeln("</br>")

s.clear();
document.writeln("length: " + s.length());
document.writeln(s.peek());
document.writeln("</br>")

s.push("Clayton");
document.writeln(s.peek());
document.writeln("</br>")


function mulBase(num, base) {
    var s = new Stack();
    do {
       s.push(num % base);
       num = Math.floor(num /= base);
    } while (num > 0);
    var converted = "";
    while (s.length() > 0) {
       converted += s.pop();
    }
    return converted;
 }

document.writeln(mulBase(10,2))
document.writeln("</br>")

</script>