Usuń obiekt w tablicy z filtrem
let someArray = [
{name:"Kristian", lines:"2,5,10"},
{name:"John", lines:"1,19,26,96"},
{name:"Kristian", lines:"2,58,160"},
{name:"Felix", lines:"1,19,26,96"}
];
someArray = someArray.filter(person => person.name != 'John');
Helpful Hedgehog