HTML DOM Frame / IFrame longDesc property
Definition and Usage
longDesc property sets or returns the value frame / iframe element longDesc property.
longdesc attribute specifies the URL of a framework for content description.
NOTE: The browser does not support frames can use this property.
grammar
frameObject.longDesc=URL
或者
iframeObject.longDesc=URL
或者
iframeObject.longDesc=URL
Browser Support
All major browsers support longDesc property
Examples
Examples
Return Value longdesc attribute:
document.write(document.getElementById("myframe").longDesc);
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Frame / IFrame objects