</dt><dt class="spec value" id="val-valueFromJs"><a href="#val-valueFromJs" class="anchor"></a><code><span class="keyword">val </span>valueFromJs : string <span>&#45;&gt;</span> <a href="#type-value">value</a> option</code></dt></dl></details></div></div></div></details></div></div></div><dl><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type </span>t</code><span class="keyword"> = </span><code>[ </code><table class="variant"><tr id="type-t.Global.t" class