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Information aggregated automatically. Verify all dates, locations, and pricing on the official conference website before making arrangements.
dotJS is an in-person conference in Paris, France focused on JavaScript, TypeScript, React. The event gathers frontend and full-stack developers for a day of talks, workshops, and peer networking in 2026. Sessions typically cover modern frameworks, performance optimisation, tooling, and emerging web standards. The conference takes place in Paris, France.
dotJS falls on the Friday before the European Heritage Days, the September weekend when hundreds of normally closed Parisian buildings — ministries, hotels particuliers, the Elysee — open to the public for free. Attendees staying an extra night get access to a version of the city that no ordinary trip provides, provided they check the programme and turn up early for the popular sites.
Most international arrivals come through Charles de Gaulle, connected by RER B to Chatelet in the centre; Orly serves southern Europe and links via Orlyval or the extended metro line. Eurostar arrives at Gare du Nord from London and Thalys-successor services from Brussels and Amsterdam. Paris also has a large public bike scheme, which suits short hops between the theatre districts and the river.
Skip the taxi queue — pre-book a fixed-price airport transfer with Welcome Pickups. Exploring beyond the city? compare rental cars on Auto Europe.
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Data coverage is comprehensive across central Paris including underground stations. Loading an eSIM ahead of travel is the simplest option for anyone outside EU roaming, and takes minutes. Set up an eSIM with Airalo before you board and you're online the moment you land.
Sainte-Chapelle. The thirteenth-century royal chapel on the Ile de la Cite, whose upper level is essentially a cage of stained glass. Late afternoon light is the reason to time the visit carefully; security queues are shortest at opening and the visit lasts under an hour. Tickets on Tiqets →
Le Marais. The historic quarter across the third and fourth arrondissements, largely spared Haussmann's rebuilding, with narrow streets, courtyard mansions and the arcaded Place des Vosges. Sunday is unusually lively here compared with the rest of the city; allow two hours on foot.
Pere-Lachaise Cemetery. A hillside necropolis in the east of the city with cobbled avenues and the graves of Chopin, Wilde and Piaf among tens of thousands of others. Free, atmospheric in autumn, and easily two hours; download a map at the entrance since signage is minimal.
Seine riverbanks. The UNESCO-listed quays between the Louvre and the Ile Saint-Louis are pedestrianised in long stretches and best walked at dusk. It costs nothing, requires no booking, and is the most reliable way to end a conference day in Paris.
What are the European Heritage Days?
A September weekend when normally closed public and private buildings across France open free to visitors. Programmes are published in advance and popular sites form long queues.
How do I travel from the airport?
RER line B connects Charles de Gaulle to central Paris in roughly thirty-five to fifty minutes; Orly uses Orlyval or the extended metro line.
Are restaurants open late after the conference?
Kitchens in central Paris typically serve until around eleven, later in the Marais and around the grands boulevards. Booking is wise on a Friday.
Travel notes written for dotJS attendees. Links marked above are affiliate links — we may earn a commission at no cost to you. Verify schedules and opening hours on official websites before you travel.
Affiliate links — we may earn a commission at no cost to you.