How to pass php value in java script function

Question

<script>
var test = 1;
<?php
$id = "document.write(test)" ;
//echo $id;
//here i want to run sql code 
?>
var id =<?php echo $id; ?>;
alert(id);
</script>

fist i want pass test value to php id second i wanna pass php id value to var id . when i run this code alert says Undefined . How to display id in a alert.

Go google ajax test some of the example / tutorial scripts. If you then have an error come back to SO and post your question again — SuperDJ, Apr 03 '16 at 09:30

score 1 · Answer 1 · answered Apr 03 '16 at 09:59

1

You forgot to put quotes. id is a string, and PHP does not echo the quotes when it echoes a string. Change it to:

var id = "<?php echo $id; ?>";

answered Apr 03 '16 at 09:59

afuous

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How to pass php value in java script function

1 Answers1