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JavaScript SDK

JavaScript is the most popular programming language, used by nearly 14 million developers worldwide. You can write smart-contracts in JavaScript or Typescript, and our SDK will pack them with a lightweight runtime. This can then be compiled into a single Wasm file that can be deployed into the NEAR network.

Create Your First Javascript Contract

Create your first Javascript contract in minutes:

  1. Download and install Node.js.
  2. Create a new javascript project using our quickstart guide.
  3. Read our docs on how to write smart contract.


  1. Documentation: https://docs.near.org/develop/contracts/anatomy
  2. Examples: https://docs.near.org/tutorials/welcome
  3. Github: https://github.com/near/near-sdk-js/