Answer by Loarg Ann for I want a textbox to be disabled when a textarea has...
Just replace onkeydown by onkeyup. <input type="text" id="testUser" disabled="disabled" placeholder="username"> <textarea rows="15" cols="105" id="sql"></textarea> var ele =...
View ArticleAnswer by thebrownkid for I want a textbox to be disabled when a textarea has...
You can find a working snippet below - var txtarea = document.getElementById('sql'); var username = document.getElementById('testUser'); function enableUsername() { if (txtarea.value.length > 0) {...
View ArticleI want a textbox to be disabled when a textarea has nothing written inside it
I want to be able to have a texbox enabled only when their is text written inside a certain textarea. I tried using the onkeydown attribute for the textarea with a method I wrote. It works when I...
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