isConcatSpreadable property
Symbol
get
isConcatSpreadable
A Boolean value that if true indicates that an object should flatten to its array elements by Array.prototype.concat. A Boolean value that if true indicates that an object should flatten to its array elements by Array.prototype.concat.
Implementation
static _i2.Symbol get isConcatSpreadable => _i6.getProperty(
_i7.target26,
'isConcatSpreadable',
);