Yakagadziriswa: javascript shandura milliseconds kuita hh mm ss

Dambudziko guru rekushandura milliseconds kuita maawa, maminetsi, uye masekonzi nderekuti hazvisi nguva dzose kuenderana. Semuenzaniso, kana ukashandura 10,000 milliseconds kuita maawa, mhedzisiro inenge iri maawa gumi. Nekudaro, kana ukashandura zviuru gumi zvemamilliseconds kuita maminetsi, mhedzisiro ingave maminetsi gumi nemasekonzi makumi mana.

var date = new Date(milliseconds);
var hh = date.getHours();
var mm = date.getMinutes();
var ss = date.getSeconds();

Iyi kodhi inogadzira chinhu chitsva chezuva uchishandisa yakapihwa milliseconds, yobva yawana maawa, maminetsi, uye masekonzi kubva pazuva iro chinhu.

Nguva uye JavaScript

JavaScript mutauro wepurogiramu unoshanda mubrowser. Yakagadzirwa muna 1995 naBrendan Eich uye yava imwe yemitauro inonyanya kufarirwa pawebhu.

Chimwe chezvinhu zvinonyanya kukosha zveJavaScript kugona kwayo kumhanya asynchronously. Izvi zvinoreva kuti kodhi inogona kumhanya yakafanana, iyo inogona kuita kuti mabasa akurumidze. JavaScript ine zvakare yakavakirwa-mukati yezuva uye nguva raibhurari, izvo zvinoita kuti zvive nyore kushanda nemazuva uye nguva.

Nguva yekushandura

Pane nzira shoma dzekushandura nguva muJavaScript. Nzira yakajairika ndeye kushandisa Date chinhu.

var now = new Date(); // 12/5/2015 3:00 PM

Iwe unogona zvakare kushandisa yakavakirwa-mukati Date.now () basa.

var now = Date.now(); // 12/5/2015 3:00 PM