algorithm - JavaScript - get the first day of the week from current date - Stack Overflow Using the...

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algorithm - JavaScript - get the first day of the week from current date - Stack Overflow



Using the getDay method of Date objects, you can know the number of day of the week (being 0=Sunday, 1=Monday, etc).

You can then subtract that number of days plus one, for example:

function getMonday(d) {

d = new Date(d);

var day = d.getDay(),

diff = d.getDate() - day + (day == 0 ? -6:1); // adjust when day is sunday

return new Date(d.setDate(diff));

}

getMonday(new Date()); // Mon Nov 08 2010

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algorithm - JavaScript - get the first day of the week from current date - Stack Overflow

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