Timestamps in JavaScript: Date, Date.now(), Intl
Work with timestamps in JavaScript: Date objects, Date.now(), parsing strings, formatting with Intl.DateTimeFormat, and avoiding common pitfalls.
Published:
Tags: developer-tools, timestamps, javascript
Timestamps in JavaScript: Date, Date.now(), and Intl Explained JavaScript's date handling has a complicated reputation — and it earned it. The object is mutable, timezone-naive in most methods, and has a months-are-zero-indexed quirk that has bitten every JavaScript developer at least once. This guide cuts through the confusion: here is what each method does, when to use it, and what is coming with the Temporal API. --- Getting the Current Timestamp There are three ways to get the current time as a number in JavaScript: Use . It is static, requires no object instantiation, and clearly communicates intent. JavaScript milliseconds vs. Unix seconds: --- Creating Date Objects The month indexing trap: is April 15, not March 15. Month is January, month is December. This has no good explanation…
All articles · theproductguy.in