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單擊按鈕打開下拉菜單
P粉232409069
P粉232409069 2023-09-04 15:04:13
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<p>我正在使用 bootstrap 5 cdn,我想打開下拉列表而不單擊下拉列表。</p> <p>我使用導(dǎo)航欄并希望顯示“下拉鏈接”:</p> <pre class="brush:php;toolbar:false;"><nav class="navbar navbar-expand-sm navbar-light bg-light"> <div class="container-fluid"> <a class="navbar-brand" href="#">Navbar</a> <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation" > <span class="navbar-toggler-icon"></span> </button> <div class="collapse navbar-collapse" id="navbarNavDropdown"> <ul class="navbar-nav"> <li class="nav-item"> <a class="nav-link active" aria-current="page" href="#">Home</a> </li> <li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" href="#" id="test" role="button" data-bs-toggle="dropdown" aria-expanded="false" > Dropdown link </a> <ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink"> <li><a class="dropdown-item" href="#">Action</a></li> <li><a class="dropdown-item" href="#">Another action</a></li> <li><a class="dropdown-item" href="#">Something else here</a></li> </ul> </li> </ul> </div> </div> </nav> <button class="btn btn-primary btn-sm" (click)="open()">Abrir</button></pre> <p>在組件中我嘗試執(zhí)行以下操作,但它不起作用:</p> <pre class="brush:php;toolbar:false;">export class AppComponent { open() { const dropdown = document.getElementById('test'); dropdown.click(); } }</pre> <p>我在 stackblitz 中做到了:測試</p>
P粉232409069
P粉232409069

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P粉333186285

向按鈕添加引導(dǎo)屬性:

<button
    class="btn btn-primary btn-sm"
    type="button"
    data-bs-toggle="collapse"
    data-bs-target="#navbarNavDropdown"
    aria-controls="navbarNavDropdown"
    aria-expanded="false"
    aria-label="Toggle navigation"
 >
     Abrir
</button>

鏈接代碼:https://stackblitz.com/edit/angular-bootstrap-5-dynamic-navbar-77sj13?file=app/app.component.html

它會(huì)起作用,但是。請記住,您的角度應(yīng)用程序應(yīng)該控制這些元素,因此將外部庫與框架庫(Angular、Vue、React)混合使用總是會(huì)引起麻煩

對于這種用途,有特殊的實(shí)現(xiàn),例如: https://ng- bootstrap.github.io/#/home 角度引導(dǎo)

另一個(gè)選項(xiàng)是使用 ngIf 顯示導(dǎo)航欄(默認(rèn)情況下沒有動(dòng)畫)

另一個(gè)鏈接: https://stackblitz.com/edit/angular-bootstrap-5-dynamic-navbar-hygpzq?file=app/app.component.html

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