HTML readyState Property IFrame onreadystatechange Event

Source: Internet
Author: User

-----------readyState---------------Definition and usage

The ReadyState property returns the status of the current document (Loading ... )。

The property returns the following values:

    • Uninitialized-loading not yet started
    • Loading-GTA5-in
    • Interactive-loaded, the document and the user can start interacting
    • Complete-Loading completed
Grammar Document.readystate

This property is read-only and returns the following possible values:

The 0-uninitialized:xml object is generated, but no files are loaded.
1-loading: The loader is in progress, but the file has not started parsing.
2-loaded: Some of the files have been loaded and parsed, but the object model has not yet taken effect.
3-interactive: Valid only for partially loaded files, in which case the object model is valid but read-only.
4-completed: The file has been fully loaded, representing a successful load.

IFRAME onreadystatechange events only for ie5.5 or later
Frame does not support onreadystatechange events

<iframe name= "Ifm_test" src= "" onreadystatechange= "Fnstartinit ()" ></iframe>

or write in JS:
<iframe name= "Ifm_test" ></iframe>
<script language= "JavaScript" >
function LoadFile ()
Document.frames ("Ifm_test"). location.href= "";
Document.frames ("Ifm_test"). Onreadystatechange=fnstartinit ();
function Fnstartinit ()
if (Document.frames ("Ifm_test"). readystate== "complete")
Alert ("The framework file is loaded! ");

For frame:
<frameset cols= "*,*" >
<frame name= "Ifm_test" src= ""/>
<frame name= "Ifm_test1" src= ""/>

can only write in JS:
<script language= "JavaScript" >
Document.onreadystatechange = ready;
function Ready ()
if (document.readystate = = "complete")
Alert ("The framework file is loaded! ");

HTML readyState Property iframe onreadystatechange event

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