// Specify div(s)
const fieldNames = ['.more-link', '#featured-posts a'];
// Select div(s)
fieldNames
.reduce((acc, field) => [...acc, ...document.querySelectorAll(field)], [])
.map((selectField) => selectField.setAttribute('target', '_blank'));
Test;
https://codepen.io/fatihmert/pen/zYZwMNE?editors=1011
