pick
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小牛编辑
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2023-12-01
Creates an ObjectLikeSequence consisting of the key/value pairs from this sequence whose keys are included in the given array of property names.
Signature
ObjectLikeSequence.pick = function(properties) { /*...*/ }ObjectLikeSequence.pick = function pick(properties) {
return new PickSequence(this, properties);
}| Name | Type(s) | Description |
|---|---|---|
| properties | Array.<string> | An array of the properties to "pick" from this sequence. |
| returns | ObjectLikeSequence | The new sequence. |
Examples
var players = {
"who": "first",
"what": "second",
"i don't know": "third"
};
Lazy(players).pick(["who", "what"]) // sequence: { who: "first", what: "second" }