Айдар

const newItems = items.map(item => ({info: item.info}));

var names = arr.map(e=>e.Data[0].name);
var counter = names.filter((v,i,arr)=> arr.indexOf(v) === i).map(el=>{
return {"name":el,"count" :names.filter(e=>el == e).length }
});
console.log(names)
console.log(counter)

["Sony", "Apple", "Sony"]
[{
count: 2,
name: "Sony"
}, {
count: 1,
name: "Apple"
}]

const index = myCollection.indexOf(e.get('target'));
alert(myCoords[index].text);

data: () => ({
  selectedPercent: null,
  percents: [ 30, 40, 50 ],
  ...
}),

<div v-for="p in percents" @click.prevent="selectedPercent = p">
  ...

computed: {
  header() {
    return this.selectedPercent !== null ? this.selectedPercent : 'hello, world!!';
  },
},

file_put_contents('data.json', json_encode($json));

$posts = json_decode(file_get_contents("https://api.vk.com/method/wall.get?&owner_id=$owner_id&count=100&access_token=$service"));

$inserts = array();
foreach ($posts->response as $res => $result) {
        if ($res < 2) continue;
        $id = $result->id;        
        $artist = $result->attachments[1]->audio->artist;
        $title = $result->attachments[1]->audio->title;       

$inserts[] = "(".(int)$id.", '".$mysqli->real_escape_string($artist)."', '".$mysqli->real_escape_string($title)."')";

        echo "<pre>";
        echo "$id | $artist | $title";
        echo "</pre>";
    }

if (sizeof($inserts) > 0) {
$mysqli->query("INSERT INTO `table` (`id`, `artist`, `title`) VALUES ".implode(',', $inserts).""); 
}

$('input[data-price]').on('change', function() {
  $(this)
    .closest('.ao-goods-good')
    .find('.ao-goods-good__price')
    .text(this.dataset.price);
});