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validate date Code Example
Is Valid Date ? 
const isDateValid = (...val) => !Number.isNaN(new Date(...val).valueOf());

isDateValid("December 17, 1995 03:24:00");
// Result: true
Source: dev.to
javascript validate date 
var date_regex = /^(0[1-9]|1[0-2])\/(0[1-9]|1\d|2\d|3[01])\/(19|20)\d{2}$/;
if (!(date_regex.test(testDate))) {
    return false;
}
Source: stackoverflow.com
validate date 
function validatedate(inputText,DateFormat)
{
// format dd/mm/yyyy or in any order of (dd or mm or yyyy) you can write dd or mm or yyyy in first or second or third position ... or can be slash"/" or dot"." or dash"-" in the dates formats
var invalid = "";
var dt = "";
var mn = "";
var yr = "";
var k;
var delm = DateFormat.includes("/") ? "/" : ( DateFormat.includes("-") ? "-" : ( DateFormat.includes(".") ? "." : "" ) ) ;
var f1 = inputText.split(delm);
var f2 = DateFormat.split(delm);
for(k=0;k<=2;k++)
{ 
 dt = dt + (f2[parseInt(k)]=="dd" ? f1[parseInt(k)] : "");
 mn = mn + (f2[parseInt(k)]=="mm" ? f1[parseInt(k)] : "");
 yr = yr + (f2[parseInt(k)]=="yyyy" ? f1[parseInt(k)] : "");
}
var mn_days = "0-31-" + (yr % 4 == 0 ? 29 : 28) + "-31-30-31-30-31-31-30-31-30-31";
var days = mn_days.split("-");
if( f1.length!=3 || mn.length>2 || dt.length>2 || yr.length!=4 || !(parseInt(mn)>=1 && parseInt(mn)<=12) || !(parseInt(yr)>=parseInt(1900) && parseInt(yr)<=parseInt(2100)) || !(parseInt(dt)>=1 && parseInt(dt)<=parseInt(days[parseInt(mn)])) )
{
 invalid = "true";
}
alert( ( invalid=="true" ? "Invalid Date" : "Valid Date")  );
}



Javascript

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
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