Created
December 28, 2020 07:08
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if you're concerned only about the presence of property and not what the value is
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| const obj = { | |
| name:"github", | |
| url:"github.com" | |
| } | |
| //to check if the color property is present on the object or not or it's value is null | |
| if(obj.color === null || obj.color === undefined){ | |
| console.log("this propery is not present on the obj") | |
| } | |
| // you can do this like this way | |
| if(obj.color == null){ // it will cover both the case i.e obj.color == null and obj.color == undefined | |
| console.log("this property is not present on the obj") | |
| } |
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