jquery - Javascript code's dfferent behaviour -


i have piece of code 

widgetid = "a.b"; func= function(widgetid, tableid, primarycolsearchkey) {     widgetid = test(widgetid); }      test= function(id)     {         id = id.replace(/\./g, "\\.").replace(/ /g, "\\ ").replace(/\(/g, "\\(").replace(/\)/g, "\\)");         return id.replace(/\ /g, "\\ ");     }

if call in program returns a\\.b, if run w3schools website returns a\.b in ie browser.

can explain why, want return a\.b in code.


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