Detect native Proxy function support.
Detect native Uint32Array support.
Detect native Symbol support.
Detect native Symbol.toStringTag support.
Detect native Float32Array support.
Detect native Uint16Array support.
Detect native Float64Array support.
Detect native Uint8Array support.
Detect native Buffer support.
Test if an object has a specified property.
Detect native generator function support.
Detect native Symbol.toPrimitive support.
Detect native Int32Array support.
Detect native Int16Array support.
Detect native Uint8ClampedArray support.
Detect native Int8Array support.
Detect native Symbol.iterator support.
Test if a value is a Buffer object.
Test if a value is a boolean.
Test if a value is a string.
Test if a value is a Float64Array.
Test if a value is a Uint32Array.
Test if a value is a function.
Check if an environment is big endian.