Test if a value is a JavaScript primitive.
Which kind of boxed JS primitive is this?
Test if a value is a string.
Detect native Symbol.toPrimitive support.
Unbox a boxed JS primitive value.
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
Test if a value is a Buffer object.
Test if a double-precision floating-point numeric value is NaN.
Check if an environment is big endian.
Test if a value is a plain object.
Check if an environment is little endian.
Test if a value is object-like.
Test if a value is a regular expression.
Test if a value is a boolean.
Test if a value is an array.
Test if a value is a number.
Test if a value is a Float32Array.
Test if a value is an object.
Test if a value is a Uint16Array.
Test if a value is a Float64Array.
Test if a value is a Uint8Array.
Test if a value is a Uint32Array.
Test if a double-precision floating-point numeric value is infinite.
Detect native Symbol.toStringTag support.