Constructor
new Stack(data)
- Version:
- v1.0
Create a stack.
Parameters:
| Name | Type | Default | Description |
|---|---|---|---|
data |
null | Object |
null
|
The data is iterable object. |
Methods
top() → {boolean|*}
Get the top data.
Returns:
false if the stack has no element else top element.
- Type
- boolean | *
empty() → {boolean}
Check the stack is empty.
Returns:
true if the stack is empty.
- Type
- boolean
size() → {number}
Get the number of elements in stack.
Returns:
the number of elements.
- Type
- number
clear()
Initialize Stack
push(data)
Push a data in stack.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
* | The data pushed to stack. |
pop() → {boolean}
pop the top elements
Returns:
false if the stack is empty.
- Type
- boolean
compare(otherStack) → {boolean}
compare with other stack
Parameters:
| Name | Type | Description |
|---|---|---|
otherStack |
Object | Stack object to compare. |
Returns:
true if they are same.
- Type
- boolean
toString() → {string}
show information of object
Returns:
- Type
- string
copy() → {Stack}
return a copy of this object.
Returns:
- Type
- Stack