json.removeFirst: Difference between revisions
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(Created page with "{{MacroFunction |name=json.removeFirst |proposed=false |trusted=false |version=1.4.0.3 |description:Is similar to json.difference() but will only remove the first occurrence o...") |
m (Added comparison between difference and removeFirst. Formatting.) |
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Compares the 2nd array with the first array and removes the first element from the first array matching an element in the second. | Compares the 2nd array with the first array and removes the first element from the first array matching an element in the second. | ||
[json.removeFirst('[2,2,4,5,6,6,4]', '[2,6]')] => [2,4,5,6,4] | |examples= <source lang="mtmacro" line> | ||
[json.removeFirst('[2,2,4,5,6,6,4]', '[2,6]')] | |||
</source> | |||
'''Outputs: | |||
[2,4,5,6,4] | |||
Difference between {{func|json.removeFirst}} and {{func|json.difference}}. | |||
<source lang="mtmacro" line> | |||
[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)] | |||
</source> | </source> | ||
'''Outputs: | |||
[1,3,5] | |||
[1,2,2,3,3,5,6] | |||
|also= | |also= | ||
[[Introduction to JSON Datatypes ]], {{func|json. | [[Introduction to JSON Datatypes ]], {{func|json.difference}} | ||
[[Category:JSON Function]] | [[Category:JSON Function]] | ||
}} | }} | ||
Revision as of 12:06, 29 August 2018
json.removeFirst() Function
• Introduced in version 1.4.0.3
Usage
json.removeFirst(array1, array2)Parameters
array1- A JSON array.array2- A JSON array.
Compares the 2nd array with the first array 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]