Question

我遇到了一个问题，我在JS中有一个类似的字符串数组：

var myArray = ["bedroomone", "bedroomonetwo", "bathroom"];

我想检索数组中包含关键字＆＃39; bedroom＆＃39;的所有元素。我怎样才能取得这样的成绩？

我尝试了不同的方式而没有获得理想的结果。我该怎么办？

Answer 1

String.prototype.indexOf：

var PATTERN = 'bedroom',
    filtered = myArray.filter(function (str) { return str.indexOf(PATTERN) === -1; });

Regexp：

var PATTERN = /bedroom/,
    filtered = myArray.filter(function (str) { return PATTERN.test(str); });

String.prototype.includes（仅限现代浏览器）：

var PATTERN = 'bedroom',
    filtered = myArray.filter(function (str) { return str.includes(PATTERN); });

Answer 2

Using `Javascript arrow function` is much simpler

const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];

const result = words.filter(word => word.length > 6);

console.log(result);
// expected output: Array ["exuberant", "destruction", "present"]

// search using keyword from array

var keywordToSearch = 'Arslan'; // word to search
var keyword =   keywordToSearch.toLowerCase();
var names = [{id: 1, name: 'Aqib'}, {id: 2, name: 'Arslan'}];

//search keyword from names array by name
var searchResult = names.filter(word => word.name.toLowerCase().indexOf(keyword) > -1);
console.log(searchResult);
// expected output: > Array [Object { id: 2, name: "Arslan" }]

Using javascript arrow function

Answer 3

var bedrooms = myArray.filter(name => name.includes('bedroom'))

Answer 4

改进了Microfed对此的答案

var textToSearch = 'bedroom';
var filteredArray = myArray.filter((str)=>{
  return str.toLowerCase().indexOf(textToSearch.toLowerCase()) >= 0; 
});

Answer 5

您还可以使用search（）方法

在正则表达式搜索中查找第一个子字符串匹配项。

（方法）String.search（regexp：字符串| RegExp）：数字（+1重载）

const filterList = (data, query) => {
        return data.filter(name => name.toLowerCase().search(query.toLowerCase()) !== -1);
      };

根据内容过滤Array中的字符串

5 个答案: