check the properties of an object in javascript

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Lark
15 Oct 2017
1for (var name in object) {  
2    if (object.hasOwnProperty(name)) { 
3        // do something with name                    
4    }  
5}
6
7// OR
8
9const hero = {
10  name: 'Batman'
11};
12
13hero.hasOwnProperty('name');     // => true
14hero.hasOwnProperty('realName'); // => false
source
Erik
23 Aug 2016
1const hero = {
2  name: 'Batman'
3};
4
5hero.hasOwnProperty('name');     // => true
6hero.hasOwnProperty('realName'); // => false
source
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