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創(chuàng)建值小于 150 的所有產(chǎn)品的數(shù)組

創(chuàng)建值小于 150 的所有產(chǎn)品的數(shù)組

Helenr 2023-07-14 14:44:00
var productMaster=[{id:'A441',name:'Pepsi',category:'Soft Drink', price:15, quantity:2},{id:'B234',name:'Coke', category:'Soft Drink', price:10, quantity:8},{id:'A617',name:'Mirinda', category:'Soft Drink', price:20, quantity:20},{id:'B003',name:'Sprite', category:'Soft Drink', price:16, quantity:5},{id:'B225',name:'Minute Maid', category:'Soft Drink', price:25, quantity:12},{id:'A742',name:'5Star', category:'Chocloate', price:10, quantity:3},{id:'B388',name:'Appy', category:'Soft Drink', price:35, quantity:9},{id:'A899',name:'Gems', category:'Chocloate', price:12, quantity:11},{id:'B635',name:'KitKat', category:'Chocloate', price:15, quantity:7},{id:'B408',name:'Perk', category:'Chocloate', price:8, quantity:15},{id:'A354',name:'Dairy Milk', category:'Chocloate', price:30, quantity:4}];var arr1 = productMaster.filter(n => n.value=n.price*n.quantity && n.value<150);console.log(JSON.stringify(arr1));值定義為價格 * 數(shù)量，我得到一個空數(shù)組。我必須創(chuàng)建一個包含值小于 150 的所有產(chǎn)品的數(shù)組。
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2 回答

?
ITMISS

TA貢獻1871條經(jīng)驗 獲得超8個贊

這是您想要實現(xiàn)的目標嗎？


var productMaster=[{id:'A441',name:'Pepsi',category:'Soft Drink', price:15, quantity:2},

{id:'B234',name:'Coke', category:'Soft Drink', price:10, quantity:8},

{id:'A617',name:'Mirinda', category:'Soft Drink', price:20, quantity:20},

{id:'B003',name:'Sprite', category:'Soft Drink', price:16, quantity:5},

{id:'B225',name:'Minute Maid', category:'Soft Drink', price:25, quantity:12},

{id:'A742',name:'5Star', category:'Chocloate', price:10, quantity:3},

{id:'B388',name:'Appy', category:'Soft Drink', price:35, quantity:9},

{id:'A899',name:'Gems', category:'Chocloate', price:12, quantity:11},

{id:'B635',name:'KitKat', category:'Chocloate', price:15, quantity:7},

{id:'B408',name:'Perk', category:'Chocloate', price:8, quantity:15},

{id:'A354',name:'Dairy Milk', category:'Chocloate', price:30, quantity:4}]

    

  

var arr1 = productMaster.filter(n => n.price*n.quantity < 150);

console.log(JSON.stringify(arr1));


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?
婷婷同學_

TA貢獻1844條經(jīng)驗 獲得超8個贊

如果你確實需要將值設(shè)置為數(shù)量乘以價格，然后獲取那些值低于 150 的值，你可以使用map()then filter()：


var productMaster = [

  {id:'A441',name:'Pepsi',category:'Soft Drink', price:15, quantity:2},

  {id:'B234',name:'Coke', category:'Soft Drink', price:10, quantity:8},

  {id:'A617',name:'Mirinda', category:'Soft Drink', price:20, quantity:20},

  {id:'B003',name:'Sprite', category:'Soft Drink', price:16, quantity:5},

  {id:'B225',name:'Minute Maid', category:'Soft Drink', price:25, quantity:12},

  {id:'A742',name:'5Star', category:'Chocloate', price:10, quantity:3},

  {id:'B388',name:'Appy', category:'Soft Drink', price:35, quantity:9},

  {id:'A899',name:'Gems', category:'Chocloate', price:12, quantity:11},

  {id:'B635',name:'KitKat', category:'Chocloate', price:15, quantity:7},

  {id:'B408',name:'Perk', category:'Chocloate', price:8, quantity:15},

  {id:'A354',name:'Dairy Milk', category:'Chocloate', price:30, quantity:4}];


var arr1 = productMaster.map((n) => {

  n.value = n.price * n.quantity;

  return n;

}).filter(n => n.value < 150);

console.log(JSON.stringify(arr1));


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