google chrome devtools - Is it possible to replace JavaScript snippets on the fly through Firebug -


is there way replace line(s) of code js file, through firebug/chrome devtools. know possible swap css classes. possible js?

for example know line causing js error,

if(somevar.length == 10)

so want swap with

if(somevar && somevar.length == 10)

my intention have quick fix demo on production server, before getting started bug fix.

chrome devtools supports feature, called live edit there.


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