javascript - 如何使用javascript从数组中删除多个值？

Question

var array = [{
    name: "Mango",
    weight: "15gm"
}, {
    name: "Banana",
    weight: "10gm"
}, {
    name: "Apple",
    weight: "15gm"
}, {
    name: "Grapes",
    weight: "5gm"
}, {
    name: "Banana",
    weight: "15gm"
}];

我想删除除 Banana 之外的所有内容。

Answer 1

参见here .

array.filter(function(x) {
    return x.name == "Banana";
});

因此给出这个输入:

[{"name":"Mango","weight":"15gm"},{"name":"Banana","weight":"10gm"},{"name":"Apple","weight":"15gm"},{"name":"Grapes","weight":"5gm"},{"name":"Banana","weight":"15gm"}]

我们得到这个输出:

[{"name":"Banana","weight":"10gm"},{"name":"Banana","weight":"15gm"}]