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850 packages found

Test if a value is a JavaScript boxed primitive.

published 0.2.1 2 months ago
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Test if a value is undefined or null.

published 0.2.1 2 months ago
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Test if a value is a native function.

published 0.2.1 2 months ago
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Test if a value is Node transform stream-like.

published 0.2.1 2 months ago
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Test if a value is an EvalError object.

published 0.2.1 2 months ago
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Test whether an object contains a nested key path.

published 0.2.1 2 months ago
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Test if an object's own property is readable and writable.

published 0.2.1 2 months ago
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Test if a value is generator object-like.

published 0.2.1 2 months ago
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Test if a value is an array-like object containing only truthy values.

published 0.2.1 2 months ago
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Test if a value is a generator object.

published 0.2.1 2 months ago
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Test if an object's own or inherited property is enumerable.

published 0.2.1 2 months ago
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This library was published for learning purposes. It is _not_ intended for use in production-grade software.

published 1.0.0 4 days ago
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Test if an object's own and inherited property is readable and writable.

published 0.2.1 2 months ago
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Test if an object's own property is read-only.

published 0.2.1 2 months ago
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Test if a value is a URIError object.

published 0.2.1 2 months ago
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Test if two arguments are strictly equal.

published 0.2.1 2 months ago
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Test if an object's own property has an accessor descriptor.

published 0.2.1 2 months ago
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Test if an object's own or inherited property has a data descriptor.

published 0.2.1 2 months ago
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Check if the runtime is a web worker.

published 0.2.1 2 months ago
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