n + BigInt
n + BigInt is a JavaScript function in the Global category. Creates BigInt from number or string. The syntax is BigInt(n). A typical example: BigInt(42) // 42n. A close sibling is setTimeout(), which executes a function after a delay (ms). A close sibling is clearTimeout(), which cancels a timeout. A close sibling is setInterval(), which repeatedly executes a function with a fixed delay. A close sibling is clearInterval(), which cancels an interval. More about this category: Global functions — setTimeout, fetch, parseInt, and more. Related Global methods: setTimeout(), clearTimeout(), setInterval(), clearInterval(), setImmediate(), queueMicrotask(), fetch(), eval(). This page is part of the free JS Reference documentation covering 1027+ methods, each with syntax, parameters, return values, examples, and common pitfalls. You can try n + BigInt immediately in the JavaScript playground, look up unfamiliar terms in the glossary, or return to the JS Reference homepage.