I want to programmatically select a snippet of text in a textarea between two points, for example from character 50 to 58.
I've tried textarea.setSelectionRange(50, 58)
but doesn't work
Assuming your text area to be:
<textarea id="myTextArea">Some initial text</textarea>
you need to set focus first.
let textarea = document.getElementById("myTextArea");
textarea.focus();
textarea.setSelectionRange(50, 58);
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