View balance, make a transaction and see transaction details of erc20 tokens(TUSD in the code) and connected via infura

erc20.js

const config = require("../../config/config");
import path from 'path'
import Web3 from 'Web3'
import fs from 'fs'
const web3 = new Web3(`https://rinkeby.infura.io/v3/` + config.infura_api_key);

const getWallet = async (walletId) => {
	try {
		var abiArray = JSON.parse(fs.readFileSync(path.resolve(__dirname, './tusdABI.json'), 'utf-8'));
		var contractAddress = "0x0000000000085d4780B73119b644AE5ecd22b376";
		var contract = new web3.eth.Contract(abiArray, contractAddress, {from: walletId});
		contract.methods.balanceOf(walletId).call((err, balance) => {
			if (err)
				throw {success: false, error: {message: "Unable to fetch Balance", stack: err}};
			else
				return {
					success: true,
					data: {balance: web3.utils.fromWei(balance, 'ether'), address: walletId}
				};
		});
	} catch (ex) {
		console.log(ex);
		return ex;
	}
};

const send = async (address, receiver, amount, my_privkey) => {
	try {
		web3.eth.getTransactionCount(address, (err, count) => {
			if(err)
				throw {success: false, error: {message: "Unable to transfer", stack: err}};
			else {
				var rawTransaction = {
					"from": address,
					"nonce": web3.utils.toHex(count),
					'gasLimit': web3.utils.toHex(21000),
					'gasPrice': web3.utils.toHex(web3.utils.toWei('1','gwei')),
					"to": contractAddress,
					"value": "0x0",
					"data": contract.methods.transfer(receiver, web3.utils.toHex(web3.utils.toWei(amount,'ether'))).encodeABI(),
					"chainId": web3.utils.toHex('1')
				};
				web3.eth.accounts.signTransaction(rawTransaction, my_privkey, (err, signed) => {
					if(!err){
						web3.eth.sendSignedTransaction(signed.rawTransaction, (err, receipt) => {
							if(err)
								throw {success: false, error: {message: "Unable to transfer", stack: err}};
							else
								return {success: true, data: {txn: receipt}};
						});
					} else throw {success: false, error: {message: "Unable to transfer", stack: err}};

				});
			}
		});
	} catch (ex) {
		console.log(ex);
		return ex;
	}
};

const getTxnDetails = async (txn) => {
	try {
		web3.eth.getTransactionReceipt(txn, (err, reciept) => {
			if (!err)
				return {success: true, data: {receipt: reciept}};
			else throw {success: false, error: {message: "Unable to find transaction", stack: err}}
		})
	} catch (ex) {
		console.log(ex);
		return ex;
	}
};

Hey dear Sanju,I am learning that how to get the balance of a token and show it on the webpage but I can't figure out how to do this. Can you help me