Hey there,
I want to make people able to search an article database with multiple criteria(s). It&#39;s a little bit different to handle because:
<ul>
<li>Some includes more than 1 value (like active substances: [&quot;actSubst1&quot;, &quot;actSubs2&quot;])</li>
<li>Some values are repeating (retrospective: &quot;1&quot; for &quot;true; ward_focused: &quot;1&quot; for true (again))</li>
</ul>
Here&#39;s my data, it&#39;s OK if you convert it into an array and work on it,
json
<pre><code>[
 {
 "title": "Real-world evidence of high-cost drugs for metastatic melanoma",
 "url": "https://.../Suppl_1/A5.1",
 "filters": {
 "retrospective": "1",
 "ward_focused": "2",
 "indication_focused": "1",
 "active_substance": "2"
 }
 },
 {
 "title": "Real-world safety and tolerability of the recently commercialised palbociclib",
 "url": "https://.../Suppl_1/A223.2",
 "filters": {
 "retrospective": "2",
 "ward_focused": "1",
 "indication_focused": "2",
 "active_substance": "Palbociclib"
 }
 },
 {
 "title": "Cost-effectiveness of morphine versus fentanyl in managing ventilated neonates",
 "url": "https://.../Suppl_1/A7.3",
 "filters": {
 "retrospective": "1",
 "ward_focused": "1",
 "indication_focused": "1",
 "active_substance": ["Morphine", "Fentanyl"]
 }
 },
 {
 "title": "Chemical risk assessement in a quality control laboratory",
 "url": "https://.../Suppl_1/A9.2",
 "filters": {
 "retrospective": "2",
 "ward_focused": "2",
 "indication_focused": "2",
 "active_substance": "2"
 }
 },
 {
 "title": "The economic burden of metastatic breast cancer in Spain",
 "url": "https://.../27/1/19",
 "filters":{
 "retrospective": "1",
 "ward_focused": "1",
 "indication_focused": "1",
 "active_substance": "2"
 }
 }
]
</code></pre>And here&#39;s my query:
<pre><code>const selectedFilters = {
 retrospective: ["1"],
 ward_focused: ["2"],
 indication_focused: ["1"],
 active_substance: []
 };
</code></pre>Simple solutions did not work for these two reasons:
<ol>
<li>I&#39;m using [&quot;1&quot;] and [&quot;2&quot;] for the boolean data, same value (e.g. [&quot;1&quot;]) repeats itself inside a profile,</li>
<li>There may be more than one value ( e.g. &quot;active_substance&quot;: [&quot;Morphine&quot;, &quot;Fentanyl&quot;] )</li>
</ol>
I&#39;m open to work on both as JSON and array for my data. Also I may modify the &quot;1&quot; -&quot;2&quot; structure for my boolean data types. You may also change the data structure if needed by removing the “filters” detail and working on one-depth.
Any help is appreciable. Best regards

Hey there,

I want to make people able to search an article database with multiple criteria(s). It's a little bit different to handle because:

- Some includes more than 1 value (like active substances: ["actSubst1", "actSubs2"])
- Some values are repeating (retrospective: "1" for "true; ward_focused: "1" for true (again))

Here's my data, it's OK if you convert it into an array and work on it,

**json**


```
[
 {
  "title": "Real-world evidence of high-cost drugs for metastatic melanoma",
  "url": "https://.../Suppl_1/A5.1",
  "filters": {
    "retrospective": "1",
    "ward_focused": "2",
    "indication_focused": "1",
    "active_substance": "2"
  }
 },
 {
  "title": "Real-world safety and tolerability of the recently commercialised palbociclib",
  "url": "https://.../Suppl_1/A223.2",
  "filters": {
    "retrospective": "2",
    "ward_focused": "1",
    "indication_focused": "2",
    "active_substance": "Palbociclib"
  }
 },
 {
  "title": "Cost-effectiveness of morphine versus fentanyl in managing ventilated neonates",
  "url": "https://.../Suppl_1/A7.3",
  "filters": {
    "retrospective": "1",
    "ward_focused": "1",
    "indication_focused": "1",
    "active_substance": ["Morphine", "Fentanyl"]
  }
 },
 {
  "title": "Chemical risk assessement in a quality control laboratory",
  "url": "https://.../Suppl_1/A9.2",
  "filters": {
    "retrospective": "2",
    "ward_focused": "2",
    "indication_focused": "2",
    "active_substance": "2"
  }
 },
 {
  "title": "The economic burden of metastatic breast cancer in Spain",
  "url": "https://.../27/1/19",
  "filters":{
    "retrospective": "1",
    "ward_focused": "1",
    "indication_focused": "1",
    "active_substance": "2"
  }
 }
]
``` 
And here's my **query**:


```
const selectedFilters = {
      retrospective: ["1"],
      ward_focused: ["2"],
      indication_focused: ["1"],
      active_substance: []
  };
``` 

Simple solutions did not work for these two reasons:


1.  I'm using ["1"] and ["2"] for the boolean data, same value (e.g. ["1"]) repeats itself inside a profile,
2. There may be more than one value ( e.g. "active_substance": ["Morphine", "Fentanyl"] )


I'm open to work on both as JSON and array for my data. Also I may modify the "1" -"2" structure for my boolean data types. You may also change the data structure if needed by removing the “filters” detail and working on one-depth.

Any help is appreciable. Best regards

Filter My Array / JSON Data Based on Multiple Criteria in JavaScript?

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