javascript - What's const property on IE -

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i have got error in ie10.

script5039: redeclaration of const property

i deleted const property window , document set var.

but error still occurred.

so want know if there other const property on ie. or if have other answers error, please tell me.

i delete below code

var window var document

judging answer "script5039: redeclaration of const property" in ie9 seems ie not correctly identify line error happens. think thing can check more variable names might conflicting.

script5039: redeclaration of const property using ie9 suggests might e.g. using history var name. if not case, try checking properties of window , document elements , see conflict variables in global scope.

it might possible error message faulty , caused ie trying render page in quirks mode (see js error 'redeclaration' of var when it's first line in program?). fix should fix script standards compatible.


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