json.removeFirst: Difference between revisions
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m (Added comparison between difference and removeFirst. Formatting.) |
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|version=1.4.0.3 | |version=1.4.0.3 | ||
|description | |description= | ||
Is similar to {{func|json.difference}} but will only remove the first occurrence of a match. | |||
|usage= | |usage= | ||
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{{param|array2|A JSON array.}} | {{param|array2|A JSON array.}} | ||
Compares the | Compares the two arrays and removes the first element from the first array matching an element in the second. | ||
|examples= <source lang="mtmacro" line> | |examples= <source lang="mtmacro" line> | ||
Revision as of 03:40, 1 March 2019
json.removeFirst() Function
• Introduced in version 1.4.0.3
Is similar to json.difference() but will only remove the first occurrence of a match.
Usage
json.removeFirst(array1, array2)Parameters
array1- A JSON array.array2- A JSON array.
Compares the two arrays and removes the first element from the first array matching an element in the second.
Examples
[json.removeFirst('[2,2,4,5,6,6,4]', '[2,6]')]Outputs:
[2,4,5,6,4]
Difference between json.removeFirst() and json.difference().
[h: a1 = '[1,2,2,2,3,3,4,5,6,6]']
[h: a2 = '[2,4,6]']
[r: json.difference(a1,a2)]
<!-- a1 has been modified - reset -->
[h: a1 = '[1,2,2,2,3,3,4,5,6,6]']
[r: json.removeFirst(a1,a2)]Outputs:
[1,3,5][1,2,2,3,3,5,6]