JSObjectGetArrayBufferByteLength

objc2_javascript_core

Function JSObjectGetArrayBufferByteLength 

Source 
pub unsafe extern "C-unwind" fn JSObjectGetArrayBufferByteLength(
    ctx: JSContextRef,
    object: JSObjectRef,
    exception: *mut JSValueRef,
) -> usize
Available on crate features JSBase and JSTypedArray only.
Expand description

Returns the number of bytes in a JavaScript data object.

Parameter ctx: The execution context to use.

Parameter object: The JS Arary Buffer object whose length in bytes to return.

Parameter exception: A pointer to a JSValueRef in which to store an exception, if any. Pass NULL if you do not care to store an exception.

Returns: The number of bytes stored in the data object.

ยงSafety

  • ctx must be a valid pointer.
  • object must be a valid pointer.
  • exception must be a valid pointer.