How to add a script to Bitrix crm?

Question

JavaScript

You need to change the numbers to text, using js, I wrote the code, but I don’t know where to stick it.

https://b24-y68x8f.bitrix24.ru/stream/

the code is

$(document).ready(function() {
    String.prototype.replaceAll = function(s1, s2) {
      return this.replace(
          new RegExp(  s1.replace(/[.^$*+?()[{\|]/g, '\\$&'),  'g'  ),
          s2
      );
  };

  var e = $("span"),
      fix = e.html().replaceAll('74991105297', "Текст1");
  e.html(fix);
});

Tell me where to look for the js or php file where to insert this code so that it works.

Answer 1

In local/php_interface/init.php

<?
use Bitrix\Main\Page\Asset;

CJSCore::Init(array("jquery" ));

$oAsset = Asset::getInstance();
$oAsset->addJs('тут_путь_к_вашем_скрипту_относительно_DOCUMENT_ROOT', true);