HTML Code

<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

  <meta name=viewport content="width=device-width,initial-scale=1">

  <title>wrap — JavaScript example</title>

  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155;line-height:1.7}h1{margin:0 0 .75rem;font-size:1.25rem;color:#0f172a}textarea{width:100%;max-width:280px;padding:.5rem;font:inherit;border:1px solid #cbd5e1;border-radius:6px}.controls{display:flex;gap:.5rem;flex-wrap:wrap;margin:.75rem 0}button{padding:.45rem .85rem;font:inherit;background:#e2e8f0;color:#0f172a;border:1px solid #cbd5e1;border-radius:6px;cursor:pointer}button.is-active{background:#2563eb;color:#fff;border-color:#2563eb}.status{font-size:.875rem;color:#475569}</style>

</head>

<body>

  <h1>Dynamic wrap</h1>



  <textarea id=dynamicTextarea rows=5 cols=30 wrap=soft placeholder="Type here…">Type your text here…</textarea>



  <div class=controls>

    <button type=button id=btnSoft class=is-active>soft</button>

    <button type=button id=btnHard>hard</button>

  </div>



  <p class=status>Current wrap: <strong id=mode>soft</strong></p>



  <script>var ta=document.getElementById("dynamicTextarea"),mode=document.getElementById("mode"),btnSoft=document.getElementById("btnSoft"),btnHard=document.getElementById("btnHard");function setWrap(t){ta.wrap=t,ta.setAttribute("wrap",t),mode.textContent=t,btnSoft.classList.toggle("is-active","soft"===t),btnHard.classList.toggle("is-active","hard"===t)}btnSoft.addEventListener("click",(function(){setWrap("soft")})),btnHard.addEventListener("click",(function(){setWrap("hard")}))</script>

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HTML wrap Attribute — JavaScript