Test if an object has a specified property, either own or inherited.
Test if an object has a specified property.
Detect native Uint16Array support.
Detect native Float64Array support.
Detect native Symbol.toStringTag support.
Detect native Uint32Array support.
Detect native Uint8Array support.
Detect native Symbol support.
Detect native Float32Array support.
Detect native Buffer support.
Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
Test if an object's own property is enumerable.
Detect native generator function support.
Detect native function name support.
Test whether a value has in its prototype chain a specified constructor as a prototype property.
Detect native Uint8ClampedArray support.
Check if an environment is little endian.
Test if a value is a Uint16Array.
Test if a value is a Uint8Array.
`Object.defineProperty`, but not IE 8's broken one.
Detect native Symbol.toPrimitive support.
Test if a value is a number.
Test if a value is a Float32Array.
Detect native Int32Array support.