js find

 

 

    var inventory = [
        { name: 'apples', quantity: 2 },
        { name: 'bananas', quantity: 0 },
        { name: 'cherries', quantity: 5 }
    ];

    function findCherries(fruit) {
        return fruit.name === 'cherries';
    }
    var a = inventory.find(findCherries);

    var b = inventory.find(function (fruit) { return fruit.name == "apples" });


    console.log(a); 


参考地址： https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find?v=control