why my jquery script doesn't work in my include php file?

Question

I try to understand why my jquery script doesn't work at all in my php included files. index.php:

<?PHP  
session_start();
include_once("./tools/globalFunction.php");
?>
<!doctype html>
<html lang="fr">
    <head>
        <!-- Required meta tags -->
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
        <!-- Bootstrap CSS -->
        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
        <title>Jojo Site</title>
    </head>
    <body>
        <?PHP 
        include_once("application.php");
        include_once("layout/menu.php");
        include_once("layout/loginModal.php");
        include_once("layout/container.php");
        include_once("layout/footer.php");  
        ?>
        <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
        <script type="text/javascript" src="./editor/ckeditor/ckeditor.js"></script>
        <script type="text/javascript" src="./js/javaScriptGlobalFunction.js"></script>
    </body>
</html>

menu.php:

    <div class="collapse navbar-collapse justify-content-end" id="navbarNavConnexion">
        <ul class="navbar-nav">    
            <li id="adminButton" class="nav-item">
                <?php
                if (!$_SESSION['admin']){?>
                <button id="connexion" class="btn btn-dark" href="#" data-toggle="modal" data-target="#loginModal">Connexion</button> <?php ;}
                else {?>
                <button id="deconnexion" class="btn btn-dark" href="#" >Déconnexion</button> <?php ;}    
                ?>
            </li>
        </ul>
    </div>

javaScriptGlobalFunction.php:

$("#Connexion").click(function(){
    alert('connexion')
});
$("#Deconnexion").click( function() {
    alert('déconnexion')
});

With those code lines it doesn't work whereas if i put the jquery script include and my script at the end of the menu file like :

    <div class="collapse navbar-collapse justify-content-end" id="navbarNavConnexion">
        <ul class="navbar-nav">    
            <li id="adminButton" class="nav-item">
                <?php
                if (!$_SESSION['admin']){?>
                <button id="connexion" class="btn btn-dark" href="#" data-toggle="modal" data-target="#loginModal">Connexion</button> <?php ;}
                else {?>
                <button class="btn btn-dark" href="#" id="deconnexion">Déconnexion</button> <?php ;}    
                ?>
            </li>
        </ul>
    </div>
</nav>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script type="text/javascript">
$("#deconnexion").click(function(){alert('deconnexion')});
</script>

It's run... Is there something i didn't seen well or i have to place jquery and script directly in each file?

Because the javascript in your include runs before you have included jquery (<script src=..jquery). You need to review the browser console for errors (unknown function / $ not defined) and check the rendered html. — fdomn-m
– fdomn-m, Commented Feb 8, 2019 at 9:13
Addition, Looks like you are trying to include javaScriptGlobalFunction.js, but judging by your post your file is named javaScriptGlobalFunction.php, when in really should be named javaScriptGlobalFunction.js A typo in the question? Or do they really have different extentions? — Eugene Anisiutkin
– Eugene Anisiutkin, Commented Feb 8, 2019 at 9:15
@EugeneAnisiutkin if it's a php "include" (via include_once) then it should end in .php - it's a php-parsed text file (in this case just containing javascript). If it ended in .js then it probably would be included with a <script src= tag. However, you are correct in that both javaScriptGlobalFunction.php (via include_once) and javaScriptGlobalFunction.js (via script src) are included - so it's not clear which it should be, but ultimately shouldn't matter (except that the .js script is after the jquery one, so would work...) — fdomn-m
– fdomn-m, Commented Feb 8, 2019 at 9:17
@freedomn-m, I am referring to this - <script type="text/javascript" src="./js/javaScriptGlobalFunction.js"></script>. And i see no include or include_once with javaScriptGlobalFunction.php in OP's code. Might have missed it — Eugene Anisiutkin
– Eugene Anisiutkin, Commented Feb 8, 2019 at 9:20
@EugeneAnisiutkin yes, spotted that after I started the comment - I updated my comment. Look at the first 3 lines of the first code block for the php include. Edit: a second look shows this is a different filename... the plot thickens :0 — fdomn-m
– fdomn-m, Commented Feb 8, 2019 at 9:21

Arthur Shveida · Accepted Answer · 2019-02-08 09:20:40Z

1

It's probably not working because in javaScriptGlobalFunction.js you're trying to find elements by id with first letter in uppercase, while in html id is all lowercase. In javaScriptGlobalFunction.js change

$("#Connexion").click(function(){
    alert('connexion')
});
$("#Deconnexion").click( function() {
    alert('déconnexion')
});

to

$("#connexion").click(function(){
    alert('connexion');
});
$("#deconnexion").click(function() {
    alert('déconnexion');
});

answered Feb 8, 2019 at 9:20

Arthur Shveida

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9 Comments

fdomn-m Over a year ago

If this was the case, it wouldn't work when the file is included at the bottom (after the script include)

Arthur Shveida Over a year ago

Sorry, didn't understand what you mean. Could you explain?

DarkBee Over a year ago

OP stated when he/she defines the scripts at the bottom of his/her page, everything works as is

Arthur Shveida Over a year ago

@DarkBee In OP's last code example, when it's defined at the bottom of page, id is correctly lowercased

fdomn-m Over a year ago

I'll retract my comment, I suspect I misinterpreted "if I put my script at the end" as putting the same script at the end, but looks like it is indeed a different script. I can confirm that IDs are case sensitive, so this is a potentially valid solution (though I still believe the initial issue is that $(function.. code appears before <script src=jquery) - so hard to tell with the question as it stands.

|

Frank · Accepted Answer · 2019-02-08 09:34:18Z

0

At first korrekt lower/higher key: $("#Deconnexion") != id="connexion"

Also your script will run befor your html is rendered by browser. Put it into

$(function () {
  $("#connexion").click(function(){
    alert('connexion');
  });
  $("#deconnexion").click(function() {
    alert('déconnexion');
  });
});

answered Feb 8, 2019 at 9:34

Frank

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1 Comment

fdomn-m Over a year ago

Doesn't matter if it's in doc.ready, $ still not defined if it's before <script src=..jquery

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