Example for building a newaccount transaction in eosjs

eosio_newaccount_example.js

// here MYACC is the account sending the transaction
// NEWACC is the name of account being created

  await (async () => {
        try {
            console.info('Creating account');
            const result = await api.transact(
                {
                    actions:
                    [
                        {
                            account: 'eosio',
                            name: 'newaccount',
                            authorization: [{
                                actor: MYACC,
                                permission: 'active'} ],
                            data: {
                                creator: MYACC,
                                name: NEWACC,
                                owner: {
                                    threshold: 1,
                                    keys: [{ key: key.public, weight: 1}],
                                    accounts: [],
                                    waits: []
                                },
                                active: {
                                    threshold: 1,
                                    keys: [{ key: key.public, weight: 1}],
                                    accounts: [],
                                    waits: [],
                                },
                            },
                        },
                        {
                            account: 'eosio',
                            name: 'buyrambytes',
                            authorization: [{actor: MYACC, permission: 'active'}],
                            data: {
                                payer: MYACC,
                                receiver: NEWACC,
                                bytes: 8192,
                            },
                        },
                        {
                            account: 'eosio',
                            name: 'delegatebw',
                            authorization: [{actor: MYACC, permission: 'active'}],
                            data: {
                                from: MYACC,
                                receiver: NEWACC,
                                stake_net_quantity: '1.0000 TLOS',
                                stake_cpu_quantity: '1.0000 TLOS',
                                transfer: false
                            }
                        }
                    ]
                },
                {
                    blocksBehind: 3,
                    expireSeconds: 30
                }
            );
            console.info('transaction_id is : ', result.transaction_id);
        } catch (e) {
            console.error('ERROR: ' + e);
        }
    })();