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10 lines
329 B
JavaScript
10 lines
329 B
JavaScript
function diff_to_GMT(dt)
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{
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return (-dt.getTimezoneOffset() < 0 ? '-' : '+') + (Math.abs(dt.getTimezoneOffset() / 60) < 10 ? '0' : '') + (Math.abs(dt.getTimezoneOffset() / 60)) + '00';
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}
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dt = new Date();
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console.log(diff_to_GMT(dt));
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dt = new Date(1989, 10, 1);
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console.log(diff_to_GMT(dt));
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