Created
September 17, 2015 07:55
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script> | |
| function Stack(){ | |
| this.array = new Array(); | |
| this.push = function(element){ | |
| this.array.push(element); | |
| } | |
| this.pop = function(){ | |
| return this.array.pop(); | |
| } | |
| this.isEmpty = function(){ | |
| if(this.array.length == 0) | |
| return true; | |
| else | |
| return false; | |
| } | |
| } | |
| var stack = new Stack(); | |
| stack.push('hello'); | |
| stack.push('world'); | |
| stack.push('!!!'); | |
| if(!stack.isEmpty()){ | |
| alert(stack.pop()); | |
| } | |
| if(!stack.isEmpty()){ | |
| alert(stack.pop()); | |
| } | |
| if(!stack.isEmpty()){ | |
| alert(stack.pop()); | |
| } | |
| if(!stack.isEmpty()){ | |
| alert(stack.pop()); | |
| }else{ | |
| alert("empty!!!!"); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |
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