JavaScript getMonth

Question

I am trying to use JavaScript to display the date and time on my webapp.

Although I have had success doing this my date and time is printed as 29/5/13. I want it to have a zero in front of the month if it is less than ten. I have tried using an if statement but didnt have much sucess. My code that I currently have is:

<script language="javascript"> 

    today = new Date(); 
    document.write("<BR>Time: ", today.getHours(),":",today.getMinutes()); 
    document.write("<BR>Date: ", today.getDate(),"/",today.getMonth()+1,"/",today.getYear()-100);


</script>

Any help would be greatly appreciated.

"tried using an if statement but didnt have much success" - what exactly did you try? — Pointy, May 29 '13 at 14:50

score 4 · Answer 1 · edited Jan 29 '14 at 23:03

4

Live Demo

function pad(num) {
  return ("0"+num).slice(-2);
}

To use:

+  pad(today.getMonth()+1))

edited Jan 29 '14 at 23:03

animuson

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answered May 29 '13 at 14:52

mplungjan

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Too awesome. [Works too](http://jsfiddle.net/uWBDR/1/) – SomeShinyObject May 29 '13 at 15:07

score 1 · Accepted Answer · edited May 29 '13 at 14:52

1

Try this:

var today = new Date();
var month = ((today.getMonth() + 1) < 10) ? '0' + (today.getMonth() + 1) : (today.getMonth() + 1);
document.write("<BR>Time: ", today.getHours(), ":", today.getMinutes());
document.write("<BR>Date: ", today.getDate(), "/", month, "/", today.getYear() - 100);

jsFiddle example

edited May 29 '13 at 14:52

Pointy

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answered May 29 '13 at 14:51

j08691

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Why call `getMonth()` twice? Can be optimized very easily. – Shadow Wizard Says No More War May 29 '13 at 14:53
1

That works perfect thank you so much. – Adam.13 May 29 '13 at 14:54
@ShadowWizard - While calling `getMonth()` multiple times isn't going to crash anyone's system, I'm sure the code could be refactored to save a few bytes. I was just addressing the OP's basic concerns. – j08691 May 29 '13 at 14:55
Why the downvote? Is this somehow wrong or not useful? – j08691 May 29 '13 at 14:56
Not my downvote but it also does not deserve upvote. (Putting aside the fact it was already answered in the dupe :)) – Shadow Wizard Says No More War May 29 '13 at 14:57
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you wil have 9:5 for 5 past 9 here as well – mplungjan May 29 '13 at 18:15

score 1 · Answer 3 · answered May 29 '13 at 14:58

1

A different way of padding with zeros

function zfill(str, len) {
    var i = len - (''+str).length + 1;
    if (i > 0) return new Array(i).join('0') + str;
    return ''+str;
}

Then

zfill(5, 2); // "05"

answered May 29 '13 at 14:58

Paul S.

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Love this. The `new Array(i).join('0')` part is especially clever. – Justin Morgan May 29 '13 at 18:21

score 0 · Answer 4 · answered May 29 '13 at 15:04

0

Try this:

var d = new Date();
var month = d.getMonth()+1;
if (month.toString().length!==2) { month="0"+month; }

answered May 29 '13 at 15:04

SomeShinyObject

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JavaScript getMonth

4 Answers4