hasParameter (XSPUrl - JavaScript™)
Checks if a query string parameter exists.
Defined in
XSPUrl (JavaScript)Syntax
hasParameter(name:string) : boolean| Parameters | Description |
|---|---|
name |
The name of a possible parameter. |
| Return value | Description |
|---|---|
boolean |
True if the parameter exists. |
Example
This example gets the value of a parameter if it exists.function p(stuff) {
print("<<<" + stuff + ">>>");
}
var url : XSPUrl;
try {
url = context.getUrl();
if(url.hasParameter("action")) {
p("action = " + url.getParameter("action"));
} else {
p("no \"action\" parameter");
}
} catch(e) {
p("Error = " + e);
Print output from the example is as follows if the parameter exists:
<<<action = openDocument>>>