How can I compare a "MM/DD/YYYY" date with the Date() function in Javascript? -

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how can compare date input of format "mm/dd/yyyy" date() function in javascript?

for example:

if (inputdate < todaysdate){   alert("you entered past date") } else if (inputdate > todaysdate){   alert("you entered future date") } else if (inputdate = todaysdate){   alert("you entered present date") } else{   alert("please enter date") }

convert string date using new date(datestring). normalize today's date omit time information using today.sethours(0, 0, 0, 0). can compare dates have above:

var date = new date(dateinput); if (isnan(date)) {     alert("please enter date"); } else {     var today = new date();     today.sethours(0, 0, 0, 0);     date.sethours(0, 0, 0, 0);     var datetense = "present";     if (date < today) {         datetense = "past";     }     else if (date > today) {         datetense = "future";     }     alert("you entered " + datetense + " date"); }

demo: http://jsfiddle.net/w2sjd/


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