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javascriptinternet-explorerjscript

What is the name of this function declaration syntax only working in JScript (IE)?

I recently came upon this code on the web :

function window::onload() {
    alert('onload!');
}

This (strange) syntax is only working in Internet Explorer (IE 8 in my case) and I wasn't sure of how it was called so I could search for it.

I simply want to know if there is some documentation related to this type of functions and if so, how are they called ?

Solution

  • That is automatic event binding in JScript, similar to the Object_EventName naming convention in VBScript.

    See: Scripting Events

    Supposedly it has meen removed in later version of Internet Explorer, just as some other rarely used non-standard features.