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(PennController.)GetURLParameter

description

Retrieves the value of a parameter that was passed after ? in the URL. This is particularly useful if you pass a uniquely identifying code to the URL when you recruit your participants, like http://spellout.net/ibexexps/PennController/Demo/experiment.html?id=abcdefgh

syntax

(PennController.)GetURLParameter(parametername)

What does (PennController.) mean?

  • parametername :

example(s)


@
@newTrial( "my trial" ,
@    newButton("helloworld", "Hello world!")
@        .log()
@        .print()
@        .wait()
@)
$.log( "ID" , GetURLParameter( "id" ) );
  • Will add a column to each result line logged by my trial reporting the value that was passed after id= in the URL.