how to check wether the property exist in a object in java script
if (obj.hasOwnProperty('prop')) {
// do something
}
how to check wether the property exist in a object in java script
if (obj.hasOwnProperty('prop')) {
// do something
}
check if js property exists in class
myObj.hasOwnProperty(myProp)
javascript check if object property exists
var person = {'first_name': 'bill','age':20};
if ( person.hasOwnProperty('first_name') ) {
//person has a first_name property
}
check if field exists in object javascript
if ('field' in obj) {
}
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