I use the below script to get some data from a database through the response of check.php and then check the data and if all is good i want to submit a form , else prevent it. #order_number is the field i am checking (input of type text) and #seblod_form is the form. If i dont trigger the second e.preventDefault everything works fine and the form submits ok.When i trigger the second e.preventDefault the form does not submit, it gets a class of busy in the html and even if okToSubmit = true the form does not submit. Any ideas how can i fix this?
<script src="https://code.jquery.com/jquery-2.1.1.min.js">
$(document).ready(function(){
$( document ).on('keydown',function( e ) {
if (e.keyCode == 13){
e.preventDefault(); //prevent form submitting when user presses enter key
return false;
}
});
$( document ).on('keyup','#order_number',function( e ) {
if (e.keyCode != 13){
var value = $('#order_number').val();
var okToSubmit = true;
$.ajax({
type: "POST",
url: 'check.php',
data: {order_number:value},
dataType: 'json',
success: function(data) {
if (data['found'] != 'true' || data['ordernumberused'] == 'true'){
if (data['ordernumberused'] == 'true') {
$('#cck1r_form_order_number').append( $( "<div id='message' style='color:red;'>This order number is already used!!!</div>" ) );
okToSubmit = false;
}
else{
$('#message').remove();
}
$('#order_number').css("border-color", "red");
}
else {
$('#order_number').css("border-color", "green");
okToSubmit = true;
alert(okToSubmit);
}
$('#seblod_form').submit(function(e){
if (!okToSubmit){
e.preventDefault();
return false;
}
else {
return true;
}
});
}//end success
});//end ajax
}
});
});
</script>
This is the updated version of the code:
<script src="https://code.jquery.com/jquery-2.1.1.min.js"> </script> /*hack for invoices - receipts*/
<script>
$(document).ready(function() {
var okToSubmit = true;
$('#seblod_form').submit(function(e) {
if (!okToSubmit) {
e.preventDefault();
return false;
} else {
return true;
}
});
$('input#submit').mousedown(function() {
if(okToSubmit){
$('#seblod_form').removeClass('busy');
}
});
$('input#submit').mouseup(function() {
if(okToSubmit){
$('#seblod_form').submit();
}
});
$(document).on('keydown', function(e) {
if (e.keyCode == 13) {
e.preventDefault(); //prevent form submitting when user presses enter key
return false;
}
});
$(document).on('keyup', '#order_number', function(e) {
if (e.keyCode != 13) {
var value = $('#order_number').val();
$.ajax({
type: "POST",
url: 'http://eshop.wideservices.gr/check.php',
data: {
order_number: value
},
dataType: 'json',
success: function (data) {
if (data['found'] != 'true' || data['ordernumberused'] == 'true') {
if (data['ordernumberused'] == 'true') {
if (!$('div').is('#message')){
$('#cck1r_form_order_number').append($("<div id='message' style='color:red;'>This order number is already used!!!</div>"));
}
okToSubmit = false;
} else {
$('#message').remove();
}
$('#order_number').css("border-color", "red");
} else {
$('#order_number').css("border-color", "green");
okToSubmit = true;
}
} //end success
}); //end ajax
}
});});
</script>
The removeClass seems to do the trick.
You are trying to attach to the submit
event every single time you type a key. That is obviously a bad idea as each time you connect it will use it's own function-scoped value of okToSubmit
which will will result in true and false calls at the same. Any false
in any instance will cause it to preventdefault()
.
Try declaring okToSubmit
at a higher level and hook up the submit
event only once.
$(document).ready(function () {
var okToSubmit = true;
$('#seblod_form').submit(function (e) {
if (!okToSubmit) {
e.preventDefault();
return false;
} else {
return true;
}
});
$(document).on('keydown', function (e) {
if (e.keyCode == 13) {
e.preventDefault(); //prevent form submitting when user presses enter key
return false;
}
});
$(document).on('keyup', '#order_number', function (e) {
if (e.keyCode != 13) {
var value = $('#order_number').val();
okToSubmit = true;
$.ajax({
type: "POST",
url: 'check.php',
data: {
order_number: value
},
dataType: 'json',
success: function (data) {
if (data['found'] != 'true' || data['ordernumberused'] == 'true') {
if (data['ordernumberused'] == 'true') {
$('#cck1r_form_order_number').append($("<div id='message' style='color:red;'>This order number is already used!!!</div>"));
okToSubmit = false;
} else {
$('#message').remove();
}
$('#order_number').css("border-color", "red");
} else {
$('#order_number').css("border-color", "green");
okToSubmit = true;
alert(okToSubmit);
}
} //end success
}); //end ajax
}
});
});
You are including your jQuery code inside an external JavaScript file request. In a word DON'T! . You should not mix external JS requests and inline script blocks as that will not work on all browsers (and looks really bad) :)
eg
<script src="https://code.jquery.com/jquery-2.1.1.min.js"/>
<script type="text/javascript">
...your inline script code here...
</script>
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.