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javascript過(guò)濾一個(gè)對(duì)象

javascript過(guò)濾一個(gè)對(duì)象

慕哥9229398 2023-05-11 16:17:44
我有以下 Javascript 對(duì)象。var data = {  "type": [    "car",    "bike"  ],  "wheels": [    "4",    "2"  ],  "open": [    "Jan",    "Jan"  ],  "wheel_press": [    "35",    "19"  ],  "max-weight": [    "4000",    "8"  ],  "transition_plan": [    "",    null  ],  "number_of_occurence": [    5696,    976  ],  "model": [    "sedan",    "street"}我想過(guò)濾任何對(duì)象鍵以?xún)H獲取該鍵的相應(yīng)值。到目前為止,在搜索 stackoverflow 后仍然無(wú)法找到類(lèi)似的問(wèn)題。我試過(guò)使用data.filter(type ==='car')我得到的錯(cuò)誤是.filter is not a function預(yù)期的輸出是如果我過(guò)濾 type === 'car' 那么它應(yīng)該只顯示{  "type": [    "car"  ],  "wheels": [    "4"  ],  "open": [    "Jan"  ],  "wheel_press": [    "35"  ],  "max-weight": [    "4000"  ],  "transition_plan": [    ""  ],  "number_of_occurence": [    5696  ],  "model": [    "sedan"}
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TA貢獻(xiàn)1883條經(jīng)驗(yàn) 獲得超3個(gè)贊

您可以編寫(xiě)一個(gè)函數(shù)來(lái)查找給定屬性?xún)?nèi)的值的索引,然后使用Object.fromEntries(),Object.keys()并Array.map()創(chuàng)建一個(gè)新對(duì)象,如下所示


var data={type:["car","bike"],wheels:["4","2"],open:["Jan","Jan"],wheel_press:["35","19"],"max-weight":["4000","8"],transition_plan:["",null],number_of_occurence:[5696,976],model:["sedan","street"]};



const getFilteredObject = (property, value) => {

  const index = data[property].indexOf(value)

  

  return Object.fromEntries(Object.keys(data).map(key => ([key, data[key][index]])))

}


const filteredObject = getFilteredObject('type','car');


console.log(filteredObject)


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