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(New page: ==Function json.length== '''Introduced in MapTool 1.3b49''' Returns the number of fields in a Macros:json object or number of elements in a Macros:json array. ===Usage=== <...) |
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= | {{MacroFunction | ||
|name=json.length | |||
|version=1.3b49 | |||
|description= | |||
Returns the number of fields in a [[JSON Object|json object]] or number of elements in a [[JSON Array|json array]]. | |||
|usage= | |||
<syntaxhighlight lang="mtmacro" line> | |||
< | |||
[h: len = json.length(jobj)] | [h: len = json.length(jobj)] | ||
[h: len = json.length(jarr)] | [h: len = json.length(jarr)] | ||
</ | </syntaxhighlight> | ||
|example= | |||
< | <syntaxhighlight lang="mtmacro" line> | ||
[h:a=json.fromStrProp("a=1;b=44;c=12")] [json.length(a)] | [h:a=json.fromStrProp("a=1;b=44;c=12")] [json.length(a)] | ||
[h:a=json.fromList("a,1,g,4")][json.length(a)] | [h:a=json.fromList("a,1,g,4")][json.length(a)] | ||
</ | </syntaxhighlight> | ||
Returns | Returns | ||
<pre> 3 | |||
4 | 4</pre> | ||
}} | |||
[[Category:JSON Function]] | |||
Latest revision as of 17:40, 15 March 2023
json.length() Function
• Introduced in version 1.3b49
Returns the number of fields in a json object or number of elements in a json array.
Usage
[h: len = json.length(jobj)]
[h: len = json.length(jarr)]Example
[h:a=json.fromStrProp("a=1;b=44;c=12")] [json.length(a)]
[h:a=json.fromList("a,1,g,4")][json.length(a)]Returns
3 4