The contains function is established to check whether a key has been registered in efw.
if (!efw.contains("PDFLib")){
load(_eventfolder+"/pdf-lib.min.js");
load(_eventfolder+"/fontkit.umd.min.js");
efw.register("PDFLib");
efw.register("fontkit");
};
| Calling | Returning |
|---|---|
efw. contains ( key ) |
boolean |
| Parameters | Type | Description |
|---|---|---|
key |
String |
The name of the global variable to be registered. |