Somewhere Intech

const players = data[0].locations[0].players;
const holes = new Array();
for (player of players){
	holes.filter(f=>f.id === player.holeId).length === 0 ? holes.push({id: player.holeId, value: player.score}) : holes.filter(f=>f.id === player.holeId)[0].value+= player.score;
}

new fullpage('#fullpage', {
	anchors: ['firstPage', 'secondPage', 'thirdPage'],
	onLeave: function(origin, destination, direction){
		var loadedSection = this,   
			  header = document.querySelector("header.header");
		//using index если прозрачный = фон
		if(origin.index == 0 and direction =='down'){
			header.style.opacity = 0; 
		}
		else if(origin.index == 1 and direction =='up'){
			header.style.opacity = 1;
		}
		//using anchorLink если прозрачный = цвет фона
		if(origin.anchor == 'firstPage' and direction =='down'){
			header.style.backgroundColor = 'transparent'; 
		}
		else if(origin.anchor == 'secondPage' and direction === 'up'){
			header.style.backgroundColor = 'white';
		}
	}
});

<?
$aMenuLinks = Array(
  Array(
    "page"=>"Каталог курсов",
    "link"=>"index.php",
    "foo" => Array(),
    "bar" => Array(),
    "dollar"=> ""
  ),

  Array(
    "page"=>"Мои курсы",
    "link"=>"mycourses.php",
    "foo"=> Array(),
    "bar" =>Array(),
    "dollar" =>""
  ),
);
echo json_encode($aMenuLinks);
?>

<div id="app2">
            <div v-for="inform in info">
                <a v-bind:href="inform.link">{{inform.page}}</a> 
            </div>
            var app2 = new Vue ({
                el: '#app2',
                data() {
                    return {
                        info: null
                    };
                },
                mounted() {
                    axios
                        .get('test.php')
                        .then(response => (this.info = response.data));
                }
            })

<form>
     <input type="text" class="checkme" value="zagol">
     <!-- Другие элементы формы -->
     <input type="submit">
</form>
<form>
     <input type="text" class="checkme" value="users">
     <!-- Другие элементы формы -->
     <input type="submit">
</form>

function check(){
	if ($(this).val() !== '') $(this).parent().find('input[type="submit"]').removeAttr("disabled");
	else $(this).parent().find('input[type="submit"]').attr('disabled', true);
}
$(".checkme").change(check);

<input type="text" class="checkme">
<button>#Загол</button>
<!-- Другие элементы -->
<input type="text" class="checkme">
<button>#Юзеры</button>

function check(){
	if ($(this).val() !== '') $(this).next('button').removeAttr("disabled");
	else $(this).next('button').attr('disabled', true);
}
$(".checkme").change(check);