SyntaxError: invalid BigInt syntax
The JavaScript exception "invalid BigInt syntax" occurs when a string value is being coerced to aBigInt but it failed to be parsed as an integer.
Message
SyntaxError: Cannot convert x to a BigInt (V8-based)SyntaxError: invalid BigInt syntax (Firefox)SyntaxError: Failed to parse String to BigInt (Safari)
Error type
What went wrong?
When using theBigInt() function to convert a string to a BigInt, the string will be parsed in the same way as source code, and the resulting value must be an integer value.
Examples
Invalid cases
js
const a = BigInt("1.5");const b = BigInt("1n");const c = BigInt.asIntN(4, "8n");// SyntaxError: invalid BigInt syntaxValid cases
js
const a = BigInt("1");const b = BigInt(" 1 ");const c = BigInt.asIntN(4, "8");