JavaScript-1.5 Reference

JS_GetArrayLength

Function

Summary

Retrieves the number of elements in an array object.

Syntax

JSBool JS_GetArrayLength(JSContext *cx, JSObject *obj,
    jsint *lengthp);

Name	Type	Description
`cx`	`JSContext *`	Pointer to the JS context for the object.
`obj`	`JSObject *`	Array object for which the number of array elements.
`lengthp`	`jsint *`	Variable in which to report the number of array elements.

Description

JS_GetArrayLength reports the number of elements in an array object, obj. If the number of elements can be determined, JS_GetArrayLength reports the number of elements in lengthp and returns JS_TRUE. Otherwise, it sets lengthp to NULL and returns JS_FALSE.

JavaScript-1.5 Reference

Summary

Syntax

Description

See Also