Underscore.js _.pick() Function
Underscore.js _.pick() function is used to return a copy of the object that is filtered using the given key. This function accepts a predicate indicating which keys are picked from the object.
Syntax:
_.pick(object, *keys);
Parameters:
- object: This parameter holds the value of an object.
- keys: It is an optional parameter. It contains the key name that the value needs to be picked.
Return Value:
It returns a copy of the object that is filtered using the given key.
Example 1: This example shows the use of the Underscore.js _.pick() Function.
html
<!DOCTYPE html> < html > < head > < script type = "text/javascript" src = "https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js" > </ script > </ head > < body > < script type = "text/javascript" > let info = { Company: 'w3wiki', Address: 'Noida', Contact: '+91 9876543210' }; console.log(_.pick(info, 'Company', 'Address')); </ script > </ body > </ html > |
Output:
Example 2: This example shows the use of the Underscore.js _.pick() Function.
html
<!DOCTYPE html> < html > < head > < script type = "text/javascript" src = "https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js" > </ script > </ head > < body > < script type = "text/javascript" > let info = { key1: 10, key2: 20, key3: 30, key4: 40, key5: 50 }; console.log(_.pick(info, function (value, key, info) { return value == 10 || value == 50; })); </ script > </ body > </ html > |
Output:
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