[{
		"currentPos": 2,
		"isSelected": false,
		"text": 4
	},
	{
		"currentPos": 1,
		"isSelected": true,
		"text": 3
	},
	{
		"currentPos": 3,
		"isSelected": true,
		"text": 1
	}
]var a = [{
    "currentPos": 2,
    "isSelected": true,
    "text": 4
  },
  {
    "currentPos": 1,
    "isSelected": true,
    "text": 3
  },
  {
    "currentPos": 3,
    "isSelected": true,
    "text": 1
  }
]
var b = a.every(function(item) {
  return item.isSelected
})
console.log(b)$arr = '[{
    "currentPos": 2,
    "isSelected": false,
    "text": 4
  },
  {
    "currentPos": 1,
    "isSelected": true,
    "text": 3
  },
  {
    "currentPos": 3,
    "isSelected": true,
    "text": 1
  }
]';
$arr = json_decode($arr);
$result = true;
foreach ($arr as $val) {
	if (!$val["isSelected"]) {
		$result = false;
		break;
	}
}