get keys of object js
myObject = {
"key": "value",
"key2":"value2"
}
Object.keys(myObject);
//console.log(Object.keys(myObject)) = ["key", "key2"]let person = {
firstname: 'John',
lastname: 'Doe'
}
console.log(person.firstname);
// expected output: "John"
delete person.firstname;
console.log(person.firstname);
// expected output: undefinedvar myObj = {no:'u',my:'sql'}
var keys = Object.keys(myObj);//returnes the array ['no','my'];myObject = {
"key": "value"
}
Object.keys(myObject); // get array of keysvar buttons = {
foo: 'bar',
fiz: 'buz'
};
for ( var property in buttons ) {
console.log( property ); // Outputs: foo, fiz or fiz, foo
}
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