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Divi theme – show/hide section in wordpress with select values

I use Divi Theme in WordPress.
I have sections that I gave IDs.
I have a select, and for each option value I use the sections IDs.
I want show one section by changing the select option and hide the other section that is showed.

Here is the select :

<select name="years" id="mySelect" onchange="myFunction()">
      <option value="">TOUTES LES ANNÉES </option>
      <option value="section2020">2020</option>
      <option value="section2019">2019</option>
      <option value="section2018">2018</option>
      <option value="section2017">2017</option>
      <option value="section2016">2016</option>
      <option value="section2015">2015</option>
</select>

Here is the javascript :

<script>
function myFunction() {
  var x = document.getElementById("mySelect").value;
  if (x.style === "display:none;") {
    x.style = "display:block";
  } else {
    x.style = "display:none;";
  }
}
</script>

Could you tell my why it’s not working ?

thanks
Caroline

Tags:

2

Answers


  1. 0

    In your code, you are trying to style a string value x.style

    If we see closely var x = document.getElementById("mySelect").value; this is returning a string value not an html element. But yes we can use this string value to get html element and make it visible and hide other. 

      function myFunction() {
    var selectElement = document.getElementById("mySelect"); 
    var selectedValue = selectElement.value;
    var selectedElement = document.getElementById(selectedValue);
          
    if (selectedElement.style.display === "none") {
       var elements = document.getElementsByClassName('section');
       for(var i = 0; i < elements.length; i++){
	      elements[i].style.display = "none";
       }
       selectedElement.style.display = "block";
    } 
    else {
            selectedElement.style.display = "none";
         }
}
            <select name="years" id="mySelect" onchange="myFunction()">
              <option value="">TOUTES LES ANNÉES </option>
              <option value="section2020">2020</option>
              <option value="section2019">2019</option>
              <option value="section2018">2018</option>
              <option value="section2017">2017</option>
              <option value="section2016">2016</option>
              <option value="section2015">2015</option>
        </select>


    <div id="section2020" class='section' style='display:none'><h1>2020</h1></div>
    <div id="section2019" class='section' style='display:none'><h1>2019</h1></div>
    <div id="section2018" class='section' style='display:none'><h1>2018</h1></div>
    <div id="section2017" class='section' style='display:none'><h1>2017</h1></div>
    <div id="section2016" class='section' style='display:none'><h1>2016</h1></div>
    <div id="section2015" class='section' style='display:none'><h1>2015</h1></div>
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  2. 0

    So thank you so much @Dupinder Singh. After playing with the code, I got it to work on my DIVI theme.

    However, since you can’t put in-line CSS styles on a Section in DIVI, I did the following. I went under each section and under the Advanced Tab -> Custom CSS -> Main Content = display: none;

    Then since each section appeared like so I changed the javascript to the following:

    <script>
function myFunction() {
        var selectElement = document.getElementById("serviceoptions"); 
        var selectedValue = selectElement.value;
        var selectedElement = document.getElementById(selectedValue);
              
        if (selectedElement.style.display === "") {
           var elements = document.getElementsByClassName('section');
           for(var i = 0; i < elements.length; i++){
              elements[i].style.display = "";
           }
           selectedElement.style.display = "block";
        } 
        else {
                selectedElement.style.display = "none";
             }
    }
    </script>

    The following was my HTML for the Selection Menu:

    <p style="text-align: center;">
<Select id="serviceoptions" onchange="myFunction()">
<option value="">Choose a Service</option>
<option value="behavior">Behavior Resources</option>
<option value="case">Case Management Resources</option>
<option value="education">Education Resources</option>
<option value="speceducation">Specialized Education Resources</option>
<option value="afterschool">After School Programs</option>
<option value="kidhealth">Children's Health Resources</option>
<option value="kidoralhealth">Children's Oral Health Resources</option>
<option value="homevisit">Home Visiting Resources</option>
<option value="nutrition">Nutrition Resources</option>
<option value="parent">Parent Resources</option>
<option value="transpo">Transportation Resources</option>
<option value="kidcare">Child Care Resources</option>
</select>
</p>

    You can see it in action here: first1thousand.com/resources

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