How to convert PHP date into Javascript Date?

Question

I have a column start_date in my database which is of type date, now i am trying to pass this data into my javascript function but it returns other data. I tried this: Send PHP date to JavaScript date format but it doesn't work on my case. My data looks like 2019-11-21 and my function gives me this Thu Jan 01 1987 03:00:00 GMT+1000 which is very far from my actual data. This is my javascript function:

function manageActionType(action, start_date){
    console.log(new Date(Date.parse(start_date)));
}

don't forget to quote the start_date when passing it to your javascript Date functions as it is a string — Professor Abronsius
– Professor Abronsius, Commented Nov 24, 2019 at 12:19
I already have this on my html: <input name="action_type" type="radio" id="stepa" value="Step A" onclick="manageActionType('Step A', {{ $process->start_date }})" required /> — Anirudh Lou
– Anirudh Lou, Commented Nov 24, 2019 at 12:23
There are no quotes around the PHP variable. Would be more like onclick="manageActionType('Step A', '{{ $process->start_date }}')" ~ notice quotes around php variable!! — Professor Abronsius
– Professor Abronsius, Commented Nov 24, 2019 at 12:24
Also see Why does Date.parse give incorrect results? as "2019-11-21" will be parsed as UTC. The use of Date.parse is redundant, new Date(start_date) is sufficient. — RobG
– RobG, Commented Nov 24, 2019 at 22:33

Professor Abronsius · Accepted Answer · 2019-11-24 12:23:35Z

1

Taking the stated date 2019-11-21 as a simple string variable in PHP it needs to be properly quoted in Javascript - otherwise you will get the invalid / unexpected date that you mention. Consider the following:

<?php
    $d='2019-11-21';
    echo "
    let d1=$d;
    let d2='$d';";
?>
console.info( new Date( Date.parse( d1 ) ) );
console.info( new Date( Date.parse( d2 ) ) );

	let d1=2019-11-21;
	let d2='2019-11-21';
	
	console.info( new Date( Date.parse( d1 ) ) );
	console.info( new Date( Date.parse( d2 ) ) );

answered Nov 24, 2019 at 12:23

Professor Abronsius

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