Lodash _.isMap() method checks whether the given value is a map object or not and returns the corresponding boolean value.
Syntax:
_.isMap( value );
Parameters:
- value: This parameter holds the value that needs to be checked for a map object.
Return Value:
This method returns a Boolean value(Returns true if the given value is a map object, else false).
Example 1: In this example, it is returning true as the given value is a map object.
Javascript
// Defining Lodash variable const _ = require('lodash');
let testMap = new Map;
// Checking for Map console.log("The Value is Map : "
+ _.isMap(testMap));
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Output:
The Value is Map : true
Example 2: In this example, it is returning false as the given value is not a map object.
Javascript
// Defining Lodash variable const _ = require('lodash');
let testMap = new WeakMap;
// Checking for Map console.log("The Value is Map : "
+ _.isMap(testMap));
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Output:
The Value is Map : false