Automatically click the elements in pages

click.js

var $checkBoxes = document.querySelectorAll('._1sy');

$checkBoxes.forEach(
    function ( item ) {
        var $parent = item.parentElement;
        var $grandParent = $parent.parentElement;
        var $grandGrandParent = $grandParent.parentElement;
        var $grandGrandGrandParent = $grandGrandParent.parentElement;
        var $grandGrandGrandGrandParent = $grandGrandGrandParent.parentElement;
        $grandGrandGrandGrandParent.remove();
    }
);

var $buttons = document.querySelectorAll('.fbProfileBrowserListItem .uiButton');
var tmr = null;
var idx = 0;
var max = $buttons.length - 1;

console.log( 'Buttons Found: ' + max );

tmr = setInterval(
    function() {
        $buttons.item(idx).click();
        idx = idx + 1;

        if ( idx === max ) {
            clearInterval(tmr);
        }
    },
    1200
);