如何在网址中获取特定参数并将其添加到Chrome扩展程序中的另一个网址？

Question

Only learnt coding for 2 weeks so sorry for noob questions!

I am trying to build a chrome extension that runs the following when I click a button on popup.html:

1. gets and reads the urls of each tab one by one
2. if the url starts with " https://www.linkedin.com/company/ ", gets the company ID right after "company/". (The url usually looks like this: https://www.linkedin.com/company/164233?trk=prof-exp-company-name so in this case for example, I would like to get "164233") Then it should create a new tab with the following url: https://www.linkedin.com/vsearch/p?f_CC=164233

So far here are the codes I have for this button:

document.addEventListener('DOMContentLoaded', function (){
    document.getElementById('btn2').addEventListener('click', loadSeeAllEmployees);
});

function loadSeeAllEmployees(e){
    chrome.tabs.query({'active': true, 'lastFocusedWindow': true, 'currentWindow': true}, function (tabs) {
    for (i=0; i<chrome.tabs.getAllInWindow().length; i++){
        if(tabs.url.indexOf("https://www.linkedin.com/company/")){

        }
    }
};

}

So the name of the button is 'btn2' and the function is 'loadSeeAllEmployees'

I am stuck here because I don't know how to get that specific parameter and how I can add it to another url.

Thank you in advance.

Answer 1

String.prototype.slice()

MDN

The slice method extracts a section of a string and returns a new string.

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If I am not misunderstanding the question, using the slice function will get what you need, assuming the URL format is consistent.

This probably isn't the most reliable method, but:

 var query = tabs[0].url; var companyId = query.slice(32, 38);