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Created June 27, 2011 15:43
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Set date to the first day of the week
Raw
README.md

Adds Date.toFirstOfWeek() method that sets the date to the first day in the week (Sunday).

Example: 6/28/2011 turns into 6/26/2011

Raw
annotated.js
Date.prototype.toFirstOfWeek = function() {
// just subtract the day of the week by the date.
this.setDate( this.getDate() - this.getDay() );
}
Raw
index.js
Date.prototype.toFirstOfWeek=function(){this.setDate(this.getDate()-this.getDay());}
Raw
LICENSE.txt
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
Version 2, December 2004
Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE>
Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. You just DO WHAT THE FUCK YOU WANT TO.
Raw
package.json
{
"name": "toFirstOfWeek",
"description": "Sets the date to the first day of the week (Sunday)",
"keywords": [
"date",
"prototype",
"week",
"sunday",
"first day of week"
]
}
Raw
test.html
<!DOCTYPE html>
<title>Foo</title>
<div>Expected value: <b>undefined</b></div>
<div>Actual value: <b id="ret"></b></div>
<script>
Date.prototype.toFirstOfWeek=function(){this.setDate(this.getDate()-this.getDay());}
var date = new Date(2011, 5, 29);
date.toFirstOfWeek();
// date now equals Sunday, June 26th 2011
</script>
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