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This article covers features introduced in SpiderMonkey 17
Determines whether or not the specified JSString is an external string (that is, a string created by calling JS_NewExternalString rather than JS_NewExternalStringWithClosure).
Syntax
bool JS_IsExternalString(JSString *str);
| Name | Type | Description |
|---|---|---|
str |
JSString * |
The string to check. |
Description
JS_IsExternalString returns true if the string is an external string; otherwise it's false.