dw.web
Class LoopIterator
Iterator used in <ISLOOP> implementation. It defines properties used to determine loop status.
LoopIterator object is assigned to variable declared in "status" attribute of the <ISLOOP> tag.
Properties
begin
:
Number
(Read Only)
Return begin iteration index. By default begin index is 0.
count
:
Number
(Read Only)
Return iteration count, starting with 1.
end
:
Number
(Read Only)
Return end iteration index. By default end index equals 'length - 1', provided that length is determined.
If length cannot be determined end index is -1.
index
:
Number
(Read Only)
Return iteration index, which is the position of the iterator in the underlying iteratable object.
Index is 0-based and is calculated according the following formula: Index = (Count - 1) * Step.
length
:
Number
(Read Only)
Return the length of the object. If length cannot be determined, -1 is returned.
step
:
Number
(Read Only)
Return iterator step.
Constructor Summary
This class does not have a constructor, so you cannot create it directly.
Method Summary
getIndex()
:
Number
Return iteration index, which is the position of the iterator in the underlying iteratable object.
isEven()
:
boolean
Identifies if count is an even value.
isFirst()
:
boolean
Identifies if the iterator is positioned at first iteratable item.
isLast()
:
boolean
Identifies if the iterator is positioned at last iteratable item.
isOdd()
:
boolean
Identifies if count is an odd value.
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Methods inherited from class
Object
assign, create, create, defineProperties, defineProperty, entries, freeze, fromEntries, getOwnPropertyDescriptor, getOwnPropertyNames, getOwnPropertySymbols, getPrototypeOf, hasOwnProperty, is, isExtensible, isFrozen, isPrototypeOf, isSealed, keys, preventExtensions, propertyIsEnumerable, seal, setPrototypeOf, toLocaleString, toString, valueOf, values
Method Detail
getBegin
getBegin()
:
Number
Return begin iteration index. By default begin index is 0.
Returns:
the begin iteration index.
getEnd
getEnd()
:
Number
Return end iteration index. By default end index equals 'length - 1', provided that length is determined.
If length cannot be determined end index is -1.
getIndex
getIndex()
:
Number
Return iteration index, which is the position of the iterator in the underlying iteratable object.
Index is 0-based and is calculated according the following formula: Index = (Count - 1) * Step.
Returns:
the iteration index.
getLength
getLength()
:
Number
Return the length of the object. If length cannot be determined, -1 is returned.
Returns:
the length of the object
isEven
isEven()
:
boolean
Identifies if count is an even value.
Returns:
true if count is even, false otherwise.
isFirst
isFirst()
:
boolean
Identifies if the iterator is positioned at first iteratable item.
Returns:
true if the iterator is at first item, false otherwise.
