php - How to change the content of a page with javascript based on select input?
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Solution:
You'll need to start by adding a javascript function to handle the event.
<script>
function changedSelect(x)
{
document.getElementById('pageTitleDiv').innerHTML = "<h5>"+x+"</h5>";
}
</script>
And then you'll need to trigger the event when the "select" box is changed.
<select onchange="changedSelect(this.value)">
Finally, I would give the div an "ID" so that it is specifically altered.
<div class="pagetitle" id="pageTitleDiv">
Answer
Solution:
You need to bind a jquery.change event to theselect element and have it's selected value populated as the text of h5 tag
<script>
$(document).ready(function(){
$('select').change(function()
{
$('h5').text($(this).val());
}).change(); // this is optional - it basically invokes the change event as soon as the function is registered.
});
</script>
Answer
Solution:
Using vanilla javascript, I added an id to the select element and used javascript to get the value of the select option, then I updated the element on the DOM.
<div style="margin:auto;text-align:center;padding-top:10px;">
<form action="" method="POST">
<p style="text-align:center;">
<select id="myselect">
<option value="blogs">blogs.php</option>
<option value="portfolio">portfolio.php</option>
<option value="contact">contact.php</option>
<option value="home">home.php</option>
</select>
</p>
<p style="text-align:center;">
<input type="submit" name="submit" onclick="myFunction()" value="Submit"/>
</p>
</form>
</div>
<div class="pagetitle">
<h5>Option Value (for example blogs)</h5>
</div>
<script>
function myFunction() {
var x = document.getElementById("myselect").selectedIndex;
var _value = document.getElementsByTagName("option")[x].value;
document.getElementsByTagName('h5')[0].innerText = _value
}
</script>
Note: This can be achieved in several ways using vanilla JS or libraries, but I think this answers your question.
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