Lodash教程

Lodash has method

语法

_.has(object, path)
Checks if path is a direct property of object.

参数

object (Object) − The object to query. path (Array|string) − The path to check.

输出

(boolean) − Returns true if path exists, else false.

实例

var _ = require('lodash'); 
var object = { 'a': [{ 'b': { 'c': 3 } }] };
var result = _.has(object, 'a');
console.log(result);
result = _.has(object,   ['b']);
console.log(result);
Save the above program in tester.js. Run the following command to execute this program.

Command

\>node tester.js

输出

true
false
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