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10-some查找数组中是否有满足条件的元素.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        //some 查找数组中是否有满足条件的元素
        var arr = [10, 30, 4];
        var flag = arr.some(function(value){
            return value > 20;
        });
        console.log(flag);

        var arr1 = ['red', 'pink', 'blue'];
        var flag1 = arr1.some(function(value){
            return value == 'pink';
        });
        console.log(flag1);
    </script>
</body>

</html>