Function napi_get_array_length 

pub unsafe extern "C" fn napi_get_array_length(
    env: napi_env,
    value: napi_value,
    result: *mut u32,
) -> napi_status

Available on crate feature napi only.

Obtains the array length.

Arguments

• env - Current running virtual machine context.

• value - The napi_value representing the ArkTS Array being queried.

• result - The length of the array.

Returns

• Returns the function execution status. [napi_ok] If the function executed successfully.

[napi_invalid_arg] If the param env, value and(or) result is nullptr;

[napi_pending_exception] There is an uncaught exception occurred before(in) execution.

Available since API-level: 10