has

v0.9.6

STATUS

Passing

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VISIBILITY

Public

PUBLISHED

5 years ago

SIZE

880 B

Returns whether or not an object has an own property with the specified name

Object

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has (

prop:String,

obj:Object

) : Boolean

Returns whether or not an object has an own property with the specified name

Example

const hasName = R.has('name');
     hasName({name: 'alice'});   //=> true
     hasName({name: 'bob'});     //=> true
     hasName({});                //=> false

     const point = {x: 0, y: 0};
     const pointHas = R.has(R.__, point);
     pointHas('x');  //=> true
     pointHas('y');  //=> true
     pointHas('z');  //=> false

Arguments

prop: String

The name of the property to check for.

obj: Object

The object to query.

Returns

Boolean

Whether the property exists.