blocks|key|4451297|text|var+newArray+=+array.filter(value+=>+Object.keys(value).length+!==+0);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|4451298|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>var newArray = array.filter(value =&gt; Object.keys(value).length !== 0);
</code></pre>


blocks|key|4451320|text|您可以在添加字符串之前使用Array.prototype.filter删除空对象。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4451321|JSON.stringify(array.filter(function(el)+{
++++//+keep+element+if+it's+not+an+object,+or+if+it's+a+non-empty+object
++++return+typeof+el+!=+"object"+%7C%7C+Array.isArray(el)+%7C%7C+Object.keys(el).length+>+0;
});|code-block|syntax|javascript|4451322|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter^0|D|M|D|M|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@$9|V|A|W|1|X]]|E|$]]|$1|F|3|G|5|H|7|Y|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|L|$M|$5|N|O|P|E|$Q|R]]]]

<p>You can use <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter" rel="noreferrer"><code>Array.prototype.filter</code></a> to remove the empty objects before stringifying.</p>

<pre><code>JSON.stringify(array.filter(function(el) {
    // keep element if it's not an object, or if it's a non-empty object
    return typeof el != "object" || Array.isArray(el) || Object.keys(el).length &gt; 0;
});
</code></pre>


blocks|key|4451505|text|出于渐进式增强的原因，我会这样做：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4451506|var+aryAry+=+[[{prop:+'value'},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{}]];
var+a+=+aryAry[0],+r+=+[];
for(var+i=0,l=a.length;+i<l;+i%2B%2B){
++var+n+=+0,+o+=+a[i];
++for(var+q+in+o){
++++n%2B%2B;
++}
++if(n+>+0){
++++r.push(o);
++}
}
console.log(r);|code-block|syntax|javascript|4451507|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>Here's what I would do, for progressive enhancement reasons:</p>

<pre><code>var aryAry = [[{prop: 'value'},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{}]];
var a = aryAry[0], r = [];
for(var i=0,l=a.length; i&lt;l; i++){
  var n = 0, o = a[i];
  for(var q in o){
    n++;
  }
  if(n &gt; 0){
    r.push(o);
  }
}
console.log(r);
</code></pre>


blocks|key|4451377|text|​|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4451378|let+arr+=+[{a:1},{},{c:3}];

arr+=+_.filter(arr,v+=>+_.keys(v).length+!==+0);

console.log(arr)|code-block|syntax|javascript|4451379|<script+src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.min.js"></script>|4451380|4451381|arr=+_.filter(arr，v+=>+_.keys(v).length+!==+0)；|4451382|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|O|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|I|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|R|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|M|$]]

<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code>let arr = [{a:1},{},{c:3}];

arr = _.filter(arr,v =&gt; _.keys(v).length !== 0);

console.log(arr)</code></pre>
<pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.11/lodash.min.js"&gt;&lt;/script&gt;</code></pre>
</div>
</div>
</p>

<p>arr= _.filter(arr,v => _.keys(v).length !== 0);</p>


blocks|key|4451428|text|更容易理解：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4451429|let+primaryArray+=+[{key:'value'},{},{},{}]
let+removeObsoletesArray+=+[]
primaryArray.forEach(+element+=>+{
+++if(element.length+>+0){
++++++removeObsoletesArray.push(element)
+++}
})|code-block|syntax|javascript|4451430|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>Simpler to understand: </p>

<pre><code>let primaryArray = [{key:'value'},{},{},{}]
let removeObsoletesArray = []
primaryArray.forEach( element =&gt; {
   if(element.length &gt; 0){
      removeObsoletesArray.push(element)
   }
})
</code></pre>


blocks|key|4451653|text|如果您的对象数组类似于-|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4451654|finalobj---+[+{+'patient._id':+'123'+},
++{+'patient.birthDate':+'lt2013-01-14',+{},+{}+}+]|code-block|syntax|javascript|4451655|然后使用下面的代码行删除空白对象--|4451656|var+newArray+=+obj.filter((value:+{})+=>+Object.keys(value).length+!==+0);|4451657|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

<p>If your array of objects is like -</p>

<pre><code>finalobj--- [ { 'patient._id': '123' },
  { 'patient.birthDate': 'lt2013-01-14', {}, {} } ]
</code></pre>

<p>Then use the below line to remove the blank object --</p>

<pre><code>var newArray = obj.filter((value: {}) =&gt; Object.keys(value).length !== 0);
</code></pre>


blocks|key|4451498|text|const+arrValues+=+[{
++x:+100
},+{
++x:+200
},+{}];
let+filteredArra+=+arrValues.filter(
++obj+=>+!(obj+&&+Object.keys(obj).length+===+0)
);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|4451499|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]


<pre class="lang-js prettyprint-override"><code>const arrValues = [{
  x: 100
}, {
  x: 200
}, {}];
let filteredArra = arrValues.filter(
  obj =&gt; !(obj &amp;&amp; Object.keys(obj).length === 0)
);
</code></pre>


<p>I have an array of objects and when I stringify, it looks like this:</p>

<pre><code>"[[{"entrReqInv": "Neither"},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{}]]"
</code></pre>

<p>How can I remove the empty <code>{}</code>s?</p>


How can I remove empty object in from an array in JS

我有一个对象数组，当我串起来的时候，它看起来像这样："[[{"entrReqInv": "Neither"},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{},{}]]"如何删除空的{}%s？

问如何从JS中的数组中删除空对象
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