52 lines
1.1 KiB
Plaintext
52 lines
1.1 KiB
Plaintext
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{{alias}}( arr, prop[, options] )
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Extracts a property value from each element of an object array.
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The function skips `null` and `undefined` array elements.
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Extracted values are not cloned.
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Parameters
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----------
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arr: Array
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Source array.
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prop: string
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Property to access.
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options: Object (optional)
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Options.
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options.copy: boolean (optional)
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Boolean indicating whether to return a new data structure. To mutate the
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input data structure (e.g., when input values can be discarded or when
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optimizing memory usage), set the `copy` option to `false`. Default:
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true.
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Returns
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-------
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out: Array
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Destination array.
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Examples
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--------
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> var arr = [
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... { 'a': 1, 'b': 2 },
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... { 'a': 0.5, 'b': 3 }
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... ];
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> var out = {{alias}}( arr, 'a' )
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[ 1, 0.5 ]
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> arr = [
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... { 'a': 1, 'b': 2 },
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... { 'a': 0.5, 'b': 3 }
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... ];
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> out = {{alias}}( arr, 'a', { 'copy': false } )
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[ 1, 0.5 ]
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> var bool = ( arr[ 0 ] === out[ 0 ] )
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true
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See Also
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--------
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