/* 如何使用 JavaScript 计算两个日期之间的天数? */
function daysBetween(date1, date2) {
//Get 1 day in milliseconds
var one_day = 1000 * 60 * 60 * 24;
// Convert both dates to milliseconds
var date1_ms = date1.getTime();
var date2_ms = date2.getTime();
// Calculate the difference in milliseconds
var difference_ms = date2_ms - date1_ms;
// Convert back to days and return
return Math.round(difference_ms / one_day);
}
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