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Java Script Interview Questions and Answers

Question - How to setting a cookie with the contents of a textbox ?

Answer - Values stored in cookies may not have semicolons, commas, or spaces. You should use the handy "escape()" function to encode the values, and "unescape()" to retrieve them. //Sets cookie of current value for myTextBox function TextBoxOnchange() { var myBox = window.document.getElementById(myTextBox"); document.cookie = "myTextBox="+ escape(myBox.value) + getExpirationString(); } //return a string like ";expires=Thu, 5 Jan 2006 16:07:52 UTC" function getExpirationString() { var exp = new Date(); var threemonths = exp.getTime()+(120*24*60*60*1000); exp.setTime(threemonths); return ";expires="+exp.toGMTString(); } This is called from the event handler in the HTML.

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