Remaining quota display in GB for SLT Broadband portal

slt_quota.js

/* ------------------------------------------------
Use this code with a Javascript injector for your browser
Chrome - https://chrome.google.com/webstore/detail/user-javascript-and-css/nbhcbdghjpllgmfilhnhkllmkecfmpld
------------------------------------------------ */

let stdSel = "#root > div > div > div:nth-child(3) > div > div > div > div:nth-child(3) > div.col-md-8 > div > div:nth-child(1) > div > div > div > div:nth-child(1) > div > div > div:nth-child(3) > svg > text";

let totSel = "#root > div > div > div:nth-child(3) > div > div > div > div:nth-child(3) > div.col-md-8 > div > div:nth-child(1) > div > div > div > div:nth-child(2) > div > div > div:nth-child(3) > svg > text";

let xhrnew = null;

function updUI(pkgData) {
	let std = document.querySelector(stdSel);
	std.innerHTML = pkgData.usageDetails["0"].remaining + "GB";
	
	let tot = document.querySelector(totSel);
	tot.innerHTML = pkgData.usageDetails["1"].remaining + "GB";
}

let req = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function () {
	this.addEventListener('load', function () {
		if (this.responseURL === "https://omniscapp.slt.lk/mobitelint/slt/sltvasservices/dashboard/mypackage") {
			xhrnew = this;
			let pkgData = JSON.parse(this.responseText);
			setTimeout(function () {
				updUI(pkgData);
			}, 200);
		}
		if (this.responseURL === "https://omniscapp.slt.lk/mobitelint/slt/sltvasservices/dashboard/summary") {
			xhrnew = this;
			let pkgData = JSON.parse(this.responseText);
			setTimeout(function () {
				updUI(pkgData.my_package_info);
			}, 200);
		}
	});
	req.apply(this, arguments);
};