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correspond to the target code of typescript #46

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Merged
christianbender merged 1 commit into from
Mar 30, 2018
+25 −19
Merged

correspond to the target code of typescript #46

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44 changes: 25 additions & 19 deletions Data Structures/Stack/Stack.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,46 +8,52 @@
// Functions: push, pop, peek, view, length

//Creates a stack constructor
var Stack = function () {
//The top of the Stack
this.top=0;
//The array representation of the stack
this.stack = new Array();
}
var Stack = (function () {

function Stack() {
//The top of the Stack
this.top = 0;
//The array representation of the stack
this.stack = new Array();
}

//Adds a value onto the end of the stack
Stack.prototype.push=function(value) {
this.stack[this.top]=value;
Stack.prototype.push = function (value) {
this.stack[this.top] = value;
this.top++;
}
};

//Removes and returns the value at the end of the stack
Stack.prototype.pop = function(){
if(this.top === 0){
Stack.prototype.pop = function () {
if (this.top === 0) {
return "Stack is Empty";
}

this.top--;
var result = this.stack[this.top];
delete this.stack[this.top];
return result;
}
};

//Returns the size of the stack
Stack.prototype.size = function(){
Stack.prototype.size = function () {
return this.top;
}
};

//Returns the value at the end of the stack
Stack.prototype.peek = function(){
return this.stack[this.top-1];
Stack.prototype.peek = function () {
return this.stack[this.top - 1];
}

//To see all the elements in the stack
Stack.prototype.view= function(){
for(var i=0;i<this.top;i++)
Stack.prototype.view = function () {
for (var i = 0; i < this.top; i++)
console.log(this.stack[i]);
}
};

return Stack;

}());

//Implementation
var myStack = new Stack();
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