我正在编写一个脚本来创建一个名为dict的字典,在其中存储我在文本区域中拥有的一些单词的频率。我的数组看起来像这样:
var dict = removeArray.reduce(function(p,c) {
if (p[c] === undefined) {
p[c] = 1;
} else {
p[c]++;
}
return p;
}, {});
我想按值筛选此字典的元素。我需要创建一个单词列表,其中包含值大于一的单词。我的字典如下:
{
"92173": 6,
"C": 6,
"GJHGWO.NAYE": 1,
"GJHGX4.NAYE": 1,
"GJHGX6.NAYE": 1,
"GJHGX8.NAYE": 1,
"GJHGXA.NAYE": 1,
"GJHGXC.NAYE": 1,
"RBD": 10,
"RBD3": 2,
"SAMBORNSiPOSSSTHRa": 2,
"SAMBORNSiPOSSSTHRa1": 2,
"SAMBORNSiPOSSSTHRa2": 2,
"X": 4,
"X3": 2
}
为了实现这一点,我尝试使用lodash,如下所示:
var filtered = _.find(dict, function(user) {
return user.frecuency > 1;
});
但是我失败了,因为我得到了:
undefined
我不知道如何适当地使用 lodash 来过滤这个数组。
我的完整代码如下:
var splitWords = document.getElementById("texto").value.split(/[["\|~]/);
var removeArray = _.remove(splitWords, function (word) {
return word !== '' && word !== ' ' && word !== '\n'
});
var dict = removeArray.reduce(function(p,c) {
if (p[c] === undefined) {
p[c] = 1;
} else {
p[c]++;
}
return p;
}, {});
console.log(dict);
var filtered = _.find(dict, function(user) {
return user.frecuency > 1;
});
console.log(filtered)
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.4/lodash.min.js"></script>
<p id="demo"></p>
<textarea cols="150" rows="15" id="texto">
"RBD|X|RBD3|C|92173~GJHGWO.NAYE"
"SAMBORNSiPOSSSTHRa1"
"RBD|X|RBD|C|92173~GJHGX4.NAYE"
"SAMBORNSiPOSSSTHRa"
"RBD|X3|RBD3|C|92173~GJHGX6.NAYE"
"SAMBORNSiPOSSSTHRa1"
"RBD|X|RBD|C|92173~GJHGX8.NAYE"
"SAMBORNSiPOSSSTHRa2"
"RBD|X|RBD|C|92173~GJHGXA.NAYE"
"SAMBORNSiPOSSSTHRa2"
"RBD|X3|RBD|C|92173~GJHGXC.NAYE"
"SAMBORNSiPOSSSTHRa"
</textarea>