In my data collection, there are multiple objects each containing a specific date and time value:
[
{dt: "2019-11-29 12:00:00"},
{dt: "2019-11-29 3:00:00"},
{dt: "2019-11-29 6:00:00"},
{dt: "2019-11-30 12:00:00"},
{dt: "2019-11-30 6:00:00"}
]
My goal is to extract and display only the dates with the time set to 12:00:00.
If you want to filter date objects in JavaScript based on specific time criteria, you can employ the array filter function. Start by converting the date string to an internal date representation, and then check for the desired hour, minutes, and seconds.
const datesArray = [
{dt: "2019-11-29 12:00:00"},
{dt: "2019-11-29 3:00:00"},
{dt: "2019-11-29 6:00:00"},
{dt: "2019-11-30 12:00:00"},
{dt: "2019-11-30 6:00:00"}
];
const filteredDates = datesArray.filter((dateObj) => {
const convertedDate = new Date(dateObj.dt);
return convertedDate.getHours() === 12 && convertedDate.getMinutes() === 0 && convertedDate.getSeconds() === 0;
});
console.info(filteredDates);
Here is a function you can try out. It currently compares hours, but you can add an additional level of if else to compare minutes and seconds as well.
const arr = [{dt: '2019-11-29 12:00:00'},{dt: '2019-11-29 3:0$.00:00'},{dt: '2019-11-30 12:00:00'},{dt: '2019-11-30 6:00:00'}];
console.log('without filter ===',arr)
let filteredArr = [];
for(let i = 0; i < arr.length; i++){
let dt = new Date(arr[i].dt);
console.log(dt);
let hour = dt.getHours()
let min = dt.getMinutes();
let sec = dt.getSeconds();
if(hour <= 12){
filteredArr.push(arr[i]);
}
}
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