Building a date conversion process using JavaScript

Question

Building a date conversion process using JavaScript

Is there a way to change this date format:

Sun Jan 08 2012 00:00:00 GMT+0530 (Sri Lanka Standard Time)

to look like this:

2012-01-08

using JavaScript?

Thank you!

Edit:

I was working with ExtJS and discovered that there's an easier way to achieve this using its built-in functionality.

By making use of the following code snippet, I was able to transform the date successfully:

var date = new Date("Sun Jan 08 2012 00:00:00 GMT+0530 (Sri Lanka Standard Time)");
console.log(Ext.Date.format(date, 'Y-m-d'));

This resulted in 2012-01-08.

javascript

Answer 1

Answer №1

If you want to initialize a date object, you can simply pass a date string as an argument:

var newDate = new Date("Sun Jan 08 2012 00:00:00 GMT+0530 (Sri Lanka Standard Time)");
[ newDate.getFullYear(), newDate.getMonth() + 1 , newDate.getDate() + 1].join("-");
 //"2012-1-8"

Answer 2

If you want to initialize a date object, you can simply pass a date string as an argument:

var newDate = new Date("Sun Jan 08 2012 00:00:00 GMT+0530 (Sri Lanka Standard Time)");
[ newDate.getFullYear(), newDate.getMonth() + 1 , newDate.getDate() + 1].join("-");
 //"2012-1-8"

Answer 3

Answer №2

To efficiently parse date strings in JavaScript, it's important to note that there wasn't a standard format supported until the 5th edition. Even then, the format officially recognized for parsing is not the same as commonly quoted formats like ISO-8601. This means you may need to employ regular expressions or other methods to manually parse date strings, or use a library such as DateJS.

However, most browsers can handle date string parsing using new Date without issues. For example:

var str = "Sun Jan 08 2012 00:00:00 GMT+0530 (Sri Lanka Standard Time)";
var dt = new Date(str);

I tested this functionality on various browsers including IE6, IE9, Chrome 15, Opera 11, Firefox 9, and more with successful results. So, if your target environments primarily involve web browsers, relying on the browser's built-in parsing capability may suffice for your needs.

Answer 4

To efficiently parse date strings in JavaScript, it's important to note that there wasn't a standard format supported until the 5th edition. Even then, the format officially recognized for parsing is not the same as commonly quoted formats like ISO-8601. This means you may need to employ regular expressions or other methods to manually parse date strings, or use a library such as DateJS.

However, most browsers can handle date string parsing using new Date without issues. For example:

var str = "Sun Jan 08 2012 00:00:00 GMT+0530 (Sri Lanka Standard Time)";
var dt = new Date(str);

I tested this functionality on various browsers including IE6, IE9, Chrome 15, Opera 11, Firefox 9, and more with successful results. So, if your target environments primarily involve web browsers, relying on the browser's built-in parsing capability may suffice for your needs.

Building a date conversion process using JavaScript

Answer №1

Answer №2

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