Friday, May 30, 2014
Formatted String to JS Date
From this snippet, decided to use the same inspiration to demo my date conversion function I wrote. It converts dd-MMM-yyyy String to a javascript date:
<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
ddMMyyyyToJsDate = function(input){
// with ddMMMyyyy passed of '30-May-2014'
var parts = input.match(/^(\d\d)-(\w{3})-(\d{4})$/);
// parts[0] is '30-May-2014' , parts[1] is 30 , parts[2] is 'May' , parts[3] is 2014 ,
if((parts == null) ||(parts.length != 4)){
return "Invalid Date";
}
// converts 'May' to 4
var MMM = "JanFebMarAprMayJunJulAugSepOctNovDec".indexOf(parts[2]) / 3 ;
// verify year of 2014 is 4 digits
if(parts[3].length != 4){
return "Invalid Date";
}
// verify day is between 1 and 31
if((parts[1] < 1) || (parts[1] > 31)){
return "Invalid Date";
}
// pass in 2014, 4, 30
return new Date(parts[3], MMM , parts[1]); // months are 0-based
}
x = ddMMyyyyToJsDate ('30-May-2014') ;
elem = document.getElementById("demo"); // Find an element
elem.innerHTML = x; // Display x in the element
var x; // Declare x
var ddMMyyyyToJsDate ; // Declare converter
</script>
</body>
</html>
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nice information for beginners.thank you.
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