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AJAX to get object and compare the json string data to the current value – Jquery ajax

my function will recieve a array object from a external api where i can convert that to JSON
lets say this is how my JSON objects look like 

{
        "id": 99,
        "title": null,
        "author": "user",
        "content": "content",
        "url": "https://stackoverflow.comt"
    },

    {
        "id": 100,
        "title": null,
        "author": "user",
        "content": "content",
        "url": "https://www.google.com"
    }

after separating particular key value pair from the above received data this is how it looks 

{"url":"https://www.google.com/"}

this process is async call as soon as i click on extension this gets triggered and i can see that in console

now in my template
popup.html

    <td>
                <input type="text" name="url" id="url">
                <input type="hidden" name="content" id="content" value="content" />
            </td>

popup.js

chrome.tabs.query({active: true, currentWindow: true },
function callback(tabs) {
  var currentTab = tabs[0]; // there will be only one in this array
  $("#url").val(currentTab.url);
});

it grabs the current current url from the tab and sends to post.js where backend operations happen
now i want to check the url data and compare it to every url present in the JSON object

I’m new to Jquery/Javascript i tried comparing this value to each and every value to that json but its of no use

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2

Answers


  1. 0

    When you have the json value of key value pair use the following code to get the url.

    jsonKeyValuePair // assuming this variable has key value pair, having url.

var jsonData = JSON.parse(jsonKeyValuePair)
console.log(jsonData.url) // this should give you the url value 

// You can now compare

if(jsonData.url === currentTab.url) {
  // Do your calculation.
}

    Hope this helps.

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  2. 0

    The simplest and cleanest way you can compare is using Filter to match the urls in JSON object.

    let currentTab = tabs[0]; // Url for comparing

//jsonObj contains all the json urls
let matchedUrl= jsonObj.filter(function(item) {
  return item.url === currentTab.url;
});

console.log(matchedUrl);
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