HTML | DOM Navigator taintEnabled() Method
It returns a Boolean value, specifying whether the browser has data tainting feature enabled.
Example: It would return true if data tainting is supported and enabled, and it returns false if the feature is disabled.
This method has long been deprecated and beware before using it because at anytime it may be withdrawn. Despite being removed it is supported by the following browsers:
- Opera 3.5
- Internet Explorer 4.0/Edge.