text-autospace CSS property

text-autospace: normal;
text-autospace: no-autospace;
text-autospace: ideograph-alpha;
text-autospace: ideograph-numeric;
text-autospace: punctuation;
text-autospace: insert;
text-autospace: replace;
text-autospace: ideograph-alpha ideograph-numeric punctuation;
text-autospace: ideograph-alpha ideograph-numeric;
text-autospace: ideograph-alpha ideograph-numeric insert;
text-autospace: auto;

/* Global values */
text-autospace: inherit;
text-autospace: initial;
text-autospace: revert;
text-autospace: revert-layer;
text-autospace: unset;

<form>
  <label for="autospace">Choose value for <code>text-autospace:</code></label>
  <select name="autospace" id="autospace">
    <option selected value="no-autospace">no-autospace</option>
    <option value="normal">normal</option>
    <option value="ideograph-alpha">ideograph-alpha</option>
    <option value="ideograph-numeric">ideograph-numeric</option>
  </select>
</form>
<div class="unsupported">
  <code>text-autospace</code> is not supported in your browser.
</div>

<main>
  <figure class="no-autospace">
    <figcaption>
      <code>
        text-autospace: <span id="autospace-value">no-autospace</span>;
      </code>
    </figcaption>
    <div>
      <p>HTML超文本标记语言</p>
      <p>42四十二</p>
    </div>
  </figure>
</main>

.no-autospace {
  text-autospace: no-autospace;
}
.auto {
  text-autospace: auto;
}
.normal {
  text-autospace: normal;
}
.ideograph-alpha {
  text-autospace: ideograph-alpha;
}
.ideograph-numeric {
  text-autospace: ideograph-numeric;
}

figure {
  margin: 1rem;
  div {
    font-size: 2rem;
    padding: 1rem;
    font-family: sans-serif;
    border: tomato solid 1px;
  }
  p {
    margin: 0;
  }
}
main {
  max-width: max-content;
}
@supports not (text-autospace: normal) {
  form {
    display: none;
  }
  .unsupported {
    color: red;
  }
}
@supports (text-autospace: normal) {
  .unsupported {
    display: none;
  }
}

const chose = document.querySelector("#autospace");
const fig = document.querySelector("figure");
const codeValue = document.querySelector("#autospace-value");
chose.addEventListener("change", (e) => {
  fig.className = e.target.value;
  codeValue.innerText = e.target.value;
});