Cómo verificar si el objeto tiene la clave JavaScript
myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype
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myObj.hasOwnProperty('key') // it checks object for particular key and not on prototype if ('key' in myObj)
// better
if (!myObj.hasOwnProperty('key'))if ('key' in myObj)if (myObj['key']) {
// Do something
}Object.prototype.hasOwnProperty()console.log("key" in obj)