在 Office UI Fabric JS 中,覆盖组件不会越过下拉组件。这是可以预料的还是我做错了什么?
var OverlayComponent = document.querySelector(".ms-Overlay");
var Overlay = new fabric['Overlay'](OverlayComponent);
var OverlayExampleButton = document.querySelector(".ms-Button");
OverlayExampleButton.onclick = function() {
Overlay.show();
};
var DropdownHTMLElements = document.querySelectorAll('.ms-Dropdown');
for (var i = 0; i < DropdownHTMLElements.length; ++i) {
var Dropdown = new fabric['Dropdown'](DropdownHTMLElements[i]);
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://static2.sharepointonline.com/files/fabric/office-ui-fabric-js/1.2.0/css/fabric.min.css" />
<link rel="stylesheet" href="https://static2.sharepointonline.com/files/fabric/office-ui-fabric-js/1.2.0/css/fabric.components.min.css" />
<script src="https://static2.sharepointonline.com/files/fabric/office-ui-fabric-js/1.2.0/js/fabric.min.js"></script>
<div class="ms-Overlay ms-Overlay--dark"></div>
<div id="content-main">
<div class="padding">
<div class="ms-Grid-row">
<div class="ms-Dropdown" tabindex="0">
<label class="ms-Label">Type: </label>
<i class="ms-Dropdown-caretDown ms-Icon ms-Icon--ChevronDown"></i>
<select class="ms-Dropdown-select">
<option>Choose a type&hellip;</option>
<option>A</option>
<option>B</option>
<option>C</option>
<option>D</option>
<option>E</option>
<option>F</option>
</select>
</div>
</div>
<button class="ms-Button ms-Button--primary" id="highlight-button">
<span class="ms-Button-icon"><i class="ms-Icon ms-Icon--plus"></i></span>
<span class="ms-Button-label" id="button-text">Hello</span>
<span class="ms-Button-description" id="button-desc"></span>
</button>
</div>
</div>