string to timestamp js code example

Example 1: convert date to timestamp javascript

//  human date --> timestamp

function toTimestamp(strDate){
   var datum = Date.parse(strDate);
   return datum/1000;
}
alert(toTimestamp('02/13/2009 23:31:30'));

Example 2: timestamp to date javascript

let unix_timestamp = 1549312452
// Create a new JavaScript Date object based on the timestamp
// multiplied by 1000 so that the argument is in milliseconds, not seconds.
var date = new Date(unix_timestamp * 1000);
// Hours part from the timestamp
var hours = date.getHours();
// Minutes part from the timestamp
var minutes = "0" + date.getMinutes();
// Seconds part from the timestamp
var seconds = "0" + date.getSeconds();

// Will display time in 10:30:23 format
var formattedTime = hours + ':' + minutes.substr(-2) + ':' + seconds.substr(-2);

console.log(formattedTime);

Example 3: js string to date

var myDate = new Date("2013/1/16");

var str = "2013/1/16";
var strToDate = new Date(str);

Example 4: convert datetime to timestamp javascript

function toTimestamp(strDate){ var datum = Date.parse(strDate); return datum/1000;}

Example 5: convert date to timestamp javascript

const toTimestamp=(strDate)=>{
   var datum = Date.parse(strDate);
   return datum/1000;
}
console.log(toTimestamp('02/13/2009 23:31:30'));

Example 6: how to validate from and to date using date.parse in javascript

var stringval = '01/03/2012';
var testdate;

try {
  testdate = $.datepicker.parseDate('mm/dd/yy', stringval);
             // Notice 'yy' indicates a 4-digit year value
} catch (e)
{
 alert(stringval + ' is not valid.  Format must be MM/DD/YYYY ' +
       'and the date value must be valid for the calendar.';
}