json.removeFirst: Difference between revisions
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'''Outputs:''' | '''Outputs:''' | ||
<pre> [2,4,5,6,4]</pre> | |||
Difference between {{func|json.removeFirst}} and {{func|json.difference}}. | Difference between {{func|json.removeFirst}} and {{func|json.difference}}. | ||
<source lang="mtmacro" line> | <source lang="mtmacro" line> | ||
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'''Outputs:''' | '''Outputs:''' | ||
<pre> [1,3,5] | |||
[1,2,2,3,3,5,6]</pre> | |||
|also= | |also= | ||
[[Introduction to JSON Datatypes ]], {{func|json.difference}} | [[Introduction to JSON Datatypes ]], {{func|json.difference}} | ||
[[Category:JSON Function]] | [[Category:JSON Function]] | ||
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Revision as of 14:12, 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]