Pressing the button will not have any effect unless the textarea is unfocused

I am having an issue with my HTML textarea that expands on focus. Below the textarea, I have a button for users to submit their input. However, when the textarea is expanded and the button is clicked, it does not fire the onclick event. Instead, it causes the textarea to lose focus and shrink back down. How can I ensure that the onclick event fires on the first click?

<div id="commentSection">
<div id="commentsContainer">
</div>
<div id="inputContainer">
    <textarea placeholder="add a comment" id="txtTitle"></textarea>
</div>
<div>   
    <button onclick="return addListItem()">Post</button>
</div>

The button does not have any styles attached, but the textarea has the following:

#txtTitle {
width: 878px;
margin-bottom: 5px;
height: 30px;
transition: height 0.2s;
}

#txtTitle:focus {
height: 100px;
}

Answer №1

Discover a clever workaround utilizing the required attribute to identify if an input field contains a value.

function addListItem(){
  console.log('inside addListItem');
}
#txtTitle {
    width: 878px;
    margin-bottom: 5px;
    height: 30px;
    transition: height 0.2s;
}

#txtTitle:valid {  
    height: 100px;
}
#txtTitle:focus {  
    height: 100px;
}
<div id="commentSection">
<div id="commentsContainer">
</div>
<div id="inputContainer">
    <textarea placeholder="add a comment" id="txtTitle" required></textarea>
</div>
<div>   
    <button onclick="return addListItem()">Post</button>
</div>

Answer №2

An issue arises when the height of your textarea changes, causing the button to move along with it. The transition time of 0.2s results in the button being displaced from its original position by the time you try to click on it.

To overcome this problem, one solution could be to incorporate some JavaScript that checks whether the input field contains a value. If it does, then the height remains the same; if it is empty, then the textarea can resize accordingly (this approach assumes that a value is required for the text area to be submitted).

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