plugins - JS working when used normally but not in wordpress

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I have a shortcode that prints a simple form, a button is used to submit the form. The problem is that when it's pressed, the form gets submitted normally, ignoring the js function. I can't understand why it's doing this, since trying this locally on XAMPP works (I needed to change something to adapt the js code to WP, but nothing that should change its behavior.

This is the code of the function that returns the form markup (called by the add_shortcode's callback function, if needed, I'll add it here)

function print_btn($userid, $category){
    return '<form id="favoritefrm" action="' . FAVORITES__PLUGIN_DIR . 'favorite_fn.php" method="POST"><input type="hidden" name="userid" id="userid" value="' . get_current_user_id() . '"/><input type="hidden" name="category" id="category" value="' . get_the_category(get_the_ID())[0]->name . '"/><button type="submit" id="heart" class="button-heart" style="[...]"></div></form>';
    }

My plugin's main file enqueues the required styles/scripts this way

function aifavorites_enqueue_style() {
    $btnstyles = plugins_url( 'css/btn_styles.css', __FILE__ );
    wp_enqueue_style('btncss', $btnstyles, false);
}
 
function aifavorites_enqueue_script() {
    $favbtnscript = plugins_url( 'js/fav_btn.js', __FILE__ );
    wp_enqueue_script('mojs', '.min.js', array('jquery'), true);
    wp_enqueue_script('jquery');
    wp_enqueue_script('favjs', $favbtnscript, array('jquery', 'mojs'), true);
    wp_localize_script('favjs', 'myScript', array(
    'pluginsUrl' => FAVORITES__PLUGIN_DIR,
));
}
 
add_action( 'wp_enqueue_scripts', 'aifavorites_enqueue_style' );
add_action( 'wp_enqueue_scripts', 'aifavorites_enqueue_script' );

The js file that's giving me problems has the following content:

jQuery( document ).ready(function() {
var scaleCurve = mojs.easing.path('M0,100 L25,99.9999983 C26.2328835,75.0708847 19.7847843,0 100,0');
   var el = document.querySelector('.button-heart'),
    // mo.js timeline obj
    timeline = new mojs.Timeline(),

    // tweens for the animation:

    // burst animation
    tween1 = new mojs.Burst({
        parent: el,
  radius:   { 0: 100 },
  angle:    { 0: 45 },
  y: -10,
  count:    10,
   radius:       100,
  children: {
    shape:        'circle',
    radius:       30,
    fill:         [ 'red', 'white' ],
    strokeWidth:  15,
    duration:     500,
  }
    });


    tween2 = new mojs.Tween({
        duration : 900,
        onUpdate: function(progress) {
            var scaleProgress = scaleCurve(progress);
            el.style.WebkitTransform = el.style.transform = 'scale3d(' + scaleProgress + ',' + scaleProgress + ',1)';
        }
    });
        tween3 = new mojs.Burst({
        parent: el,
  radius:   { 0: 100 },
  angle:    { 0: -45 },
  y: -10,
  count:    10,
   radius:       125,
  children: {
    shape:        'circle',
    radius:       30,
    fill:         [ 'white', 'red' ],
    strokeWidth:  15,
    duration:     400,
  }
    });

// add tweens to timeline:
timeline.add(tween1, tween2, tween3);


// when clicking the button start the timeline/animation:
jQuery("#favoritefrm").on("submit",function(e){
    alert("submitted");
    e.preventDefault();
    var href = myScript.pluginsUrl + '/aifavorites/favorite_fn.php';
    if (jQuery('#heart').hasClass('active')){
        jQuery.ajax({
                   type: "POST",
                   url: href,
                   data: jQuery('#favoritefrm').serialize() + "&action=remove",
                   success: function(msg){
                    alert('submitted');
                    jQuery('#heart').removeClass('active')                         }
                 })
    }
    else{
        jQuery.ajax({
                   type: "POST",
                   url: href,
                   data: jQuery('#favoritefrm').serialize() + "&action=add",
                   success: function(msg){
                    alert('submitted');
                    timeline.play()
                    jQuery('#heart').addClass('active')                         }
                 })
    }
});
});

the jQuery( document ).ready function gets called successfully, I tried putting an alert just below it and it showed up immediately. All the required scripts are loaded, I manually checked both by searching it in Inspect Element "Element" and "Source" tabs (according to how Opera Browser calls them).

What should happen can be seen on my non-wordpress website here

What am I doing wrong? (I know that solving this issue, there's ajax to handle, but I'm struggling to understand how to convert my code to wp ajax, and it would be great if you could help me with that too)

Thank you in advance to everyone.

I have a shortcode that prints a simple form, a button is used to submit the form. The problem is that when it's pressed, the form gets submitted normally, ignoring the js function. I can't understand why it's doing this, since trying this locally on XAMPP works (I needed to change something to adapt the js code to WP, but nothing that should change its behavior.

This is the code of the function that returns the form markup (called by the add_shortcode's callback function, if needed, I'll add it here)

function print_btn($userid, $category){
    return '<form id="favoritefrm" action="' . FAVORITES__PLUGIN_DIR . 'favorite_fn.php" method="POST"><input type="hidden" name="userid" id="userid" value="' . get_current_user_id() . '"/><input type="hidden" name="category" id="category" value="' . get_the_category(get_the_ID())[0]->name . '"/><button type="submit" id="heart" class="button-heart" style="[...]"></div></form>';
    }

My plugin's main file enqueues the required styles/scripts this way

function aifavorites_enqueue_style() {
    $btnstyles = plugins_url( 'css/btn_styles.css', __FILE__ );
    wp_enqueue_style('btncss', $btnstyles, false);
}
 
function aifavorites_enqueue_script() {
    $favbtnscript = plugins_url( 'js/fav_btn.js', __FILE__ );
    wp_enqueue_script('mojs', 'https://cdn.jsdelivr/mojs/latest/mo.min.js', array('jquery'), true);
    wp_enqueue_script('jquery');
    wp_enqueue_script('favjs', $favbtnscript, array('jquery', 'mojs'), true);
    wp_localize_script('favjs', 'myScript', array(
    'pluginsUrl' => FAVORITES__PLUGIN_DIR,
));
}
 
add_action( 'wp_enqueue_scripts', 'aifavorites_enqueue_style' );
add_action( 'wp_enqueue_scripts', 'aifavorites_enqueue_script' );

The js file that's giving me problems has the following content:

jQuery( document ).ready(function() {
var scaleCurve = mojs.easing.path('M0,100 L25,99.9999983 C26.2328835,75.0708847 19.7847843,0 100,0');
   var el = document.querySelector('.button-heart'),
    // mo.js timeline obj
    timeline = new mojs.Timeline(),

    // tweens for the animation:

    // burst animation
    tween1 = new mojs.Burst({
        parent: el,
  radius:   { 0: 100 },
  angle:    { 0: 45 },
  y: -10,
  count:    10,
   radius:       100,
  children: {
    shape:        'circle',
    radius:       30,
    fill:         [ 'red', 'white' ],
    strokeWidth:  15,
    duration:     500,
  }
    });


    tween2 = new mojs.Tween({
        duration : 900,
        onUpdate: function(progress) {
            var scaleProgress = scaleCurve(progress);
            el.style.WebkitTransform = el.style.transform = 'scale3d(' + scaleProgress + ',' + scaleProgress + ',1)';
        }
    });
        tween3 = new mojs.Burst({
        parent: el,
  radius:   { 0: 100 },
  angle:    { 0: -45 },
  y: -10,
  count:    10,
   radius:       125,
  children: {
    shape:        'circle',
    radius:       30,
    fill:         [ 'white', 'red' ],
    strokeWidth:  15,
    duration:     400,
  }
    });

// add tweens to timeline:
timeline.add(tween1, tween2, tween3);


// when clicking the button start the timeline/animation:
jQuery("#favoritefrm").on("submit",function(e){
    alert("submitted");
    e.preventDefault();
    var href = myScript.pluginsUrl + '/aifavorites/favorite_fn.php';
    if (jQuery('#heart').hasClass('active')){
        jQuery.ajax({
                   type: "POST",
                   url: href,
                   data: jQuery('#favoritefrm').serialize() + "&action=remove",
                   success: function(msg){
                    alert('submitted');
                    jQuery('#heart').removeClass('active')                         }
                 })
    }
    else{
        jQuery.ajax({
                   type: "POST",
                   url: href,
                   data: jQuery('#favoritefrm').serialize() + "&action=add",
                   success: function(msg){
                    alert('submitted');
                    timeline.play()
                    jQuery('#heart').addClass('active')                         }
                 })
    }
});
});

the jQuery( document ).ready function gets called successfully, I tried putting an alert just below it and it showed up immediately. All the required scripts are loaded, I manually checked both by searching it in Inspect Element "Element" and "Source" tabs (according to how Opera Browser calls them).

What should happen can be seen on my non-wordpress website here

What am I doing wrong? (I know that solving this issue, there's ajax to handle, but I'm struggling to understand how to convert my code to wp ajax, and it would be great if you could help me with that too)

Thank you in advance to everyone.

• plugins
• shortcode
• ajax
• javascript
• jquery

Share Improve this question edited Jul 23, 2020 at 21:56 Kiro asked Jul 23, 2020 at 21:49 KiroKiro 133 bronze badges

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1 Answer 1

Sorted by: Reset to default 0

Solved.

The problem was that mojs has to be included between the <body></body> tags, and the wp_enqueue_script() function that enqueued mojs needed an empty string as argument just before the 'true' parameter (I forgot to specify that there was no required version number of that script).

So, changing

wp_enqueue_script('mojs', 'https://cdn.jsdelivr/mojs/latest/mo.min.js', array('jquery'), true);
wp_enqueue_script('favjs', $favbtnscript, array('jquery', 'mojs'), true);

to

wp_enqueue_script('mojs', 'https://cdn.jsdelivr/mojs/latest/mo.min.js', array('jquery'), '', true);
wp_enqueue_script('favjs', $favbtnscript, array('jquery', 'mojs'), '', true);

did the trick.

本文标签： pluginsJS working when used normally but not in wordpress