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MomentJS provides methods to query the date/time for leap year, date comparison, date validation etc. This chapter discusses them in detail.
Methods for Querying Date in MomentJS
The following table shows methods available in MomentJS and their syntax for querying date −
| Method | Syntax |
|---|---|
| Is Before |
moment().isBefore(Moment|String|Number|Date|Array); moment().isBefore(Moment|String|Number|Date|Array, String); |
| Is Same |
moment().isSame(Moment|String|Number|Date|Array); moment().isSame(Moment|String|Number|Date|Array, String); |
| Is After |
moment().isAfter(Moment|String|Number|Date|Array); moment().isAfter(Moment|String|Number|Date|Array, String); |
| Is Same or Before |
moment().isSameOrBefore(Moment|String|Number|Date|Array); moment().isSameOrBefore(Moment|String|Number|Date|Array, String); |
| Is Same or After |
moment().isSameOrAfter(Moment|String|Number|Date|Array); moment().isSameOrAfter(Moment|String|Number|Date|Array, String); |
| Is Between |
moment().isBetween(moment-like, moment-like); moment().isBetween(moment-like, moment-like, String); |
| Is Daylight Saving Time |
moment().isDST(); |
| Is Leap Year |
moment().isLeapYear(); |
| Is a Moment |
moment.isMoment(obj); |
| Is a Date |
moment.isDate(obj); |
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