JSFiddle - React, Tailwind, and code Playground
HTML
<button>Check</button>
<hr />
<input type="text" size="100" value="Input 1" />
<input type="text" size="120" value="Input 2" />
<input type="text" size="60" value="Input 3" />
<input type="text" size="75" value="Input 4" />
JavaScript
$('button').click(function()
{
$('input[size="100"]').each(function()
{
var textarea = $(document.createElement('textarea'));
textarea.text($(this).val());
$(this).after(textarea).remove();
});
});