Delete property of object in object array

 var obj = [

{ "name": "swara", age: 8 ,"marks":60},

{ "name": "sangram", age: 7 ,"marks":50},

{ "name": "sachin", age: 60 ,"marks":50},

]

function deleteProperty(objArray, propName) {

objArray.forEach(element => {

delete element[propName]

});

return objArray

}

var res = deleteProperty(obj,"name")

console.log(res)