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我有以下html结构父窗口中的iframe中的打开链接
我试图让链接在父窗口中打开。现在链接在iframe中。我试图添加目标=“_父”的链接，但没有奏效。奇怪的是，一些链接工作，但登录链接没有。
<div class="mrvl-header-wrapper">
<div class="mrvl-header-bg"></div>
<header class="mrvl-header">
<button class="glb-nav-hamburger fouc hide" data-auto="glb-nav-hamburger" tabindex="0"></button>
<a href="/"><p class="mrvl-logo" data-auto="brand-logo">Adobe Spark</p></a>
<div class="mrvl-mrkt-nav">
<a href="/" class="mrvl-mrkt-nav-link mrvl-mrkt-nav-about" data-auto="mrvl-mrkt-nav-about">About</a>
<a href="/" class="mrvl-mrkt-nav-link mrvl-mrkt-nav-projects" data-auto="mrvl-mrkt-nav-projects">My Projects</a>
<a href="/gallery/" class="mrvl-mrkt-nav-link mrvl-mrkt-nav-gallery" data-auto="mrvl-mrkt-nav-gallery">Inspiration Gallery</a>
<a href="/blog" class="mrvl-mrkt-nav-link mrvl-mrkt-nav-blog" data-auto="mrvl-mrkt-nav-blog">Blog</a>
<div class="mrvl-mrkt-learn-more-drop">
<a class="mrvl-mrkt-nav-link mrvl-mrkt-nav-learn-more" data-auto="mrvl-mrkt-nav-learn-more">Learn More</a>
<ul class="mrvl-mrkt-nav-learn-more-features">
<li><a href="/features/" class="mrvl-mrkt-nav-link mrvl-mrkt-learn-more-link mrvl-mrkt-feature-link">Features</a></li>
</ul>
</div>
<div class="mrvl-mrkt-make-a-design-drop">
<a class="mrvl-mrkt-nav-link mrvl-mrkt-nav-make-a-design" data-auto="mrvl-mrkt-nav-make-a-design">Make a Design</a>
<ul class="mrvl-mrkt-nav-make-a-design-features">
<li><a href="/make/album-cover-maker" class="mrvl-mrkt-nav-link mrvl-mrkt-make-a-design-link">Album Covers</a></li>
<li><a href="/make/invitation-maker/baby-showers" class="mrvl-mrkt-nav-link mrvl-mrkt-make-a-design-link">Baby Shower Invitations</a></li>
</ul>
</div>
</div>
<div class="nav-cta-actions">
<a target="_parent" href="/login" data-context="marketingNav" class="mrvl-mrkt-nav-cta-btn signup-cta-btn mrvl-mrkt-nav-logged-out-cta mrvl-mrkt-nav-login" data-auto="mrvl-mrkt-nav-login">Log in</a>
<a target="_parent" href="/login" data-context="marketingNav" class="mrvl-mrkt-nav-cta-btn mrvl-mrkt-nav-logged-out-cta signup-cta-btn mrvl-mrkt-nav-start-now" data-auto="mrvl-mrkt-nav-start-now">Start now for free</a>
<a target="_parent" href="/#create" class="mrvl-mrkt-nav-cta-btn mrvl-mrkt-nav-logged-in-cta mrvl-mrkt-nav-create hide" data-auto="mrvl-mrkt-nav-create"></a>
</div>
<div class="site-nav">
<a href="/#" class="site-nav-link site-nav-projects selected" data-auto="site-nav-projects">My Projects</a>
<a href="/gallery/" class="site-nav-link site-nav-gallery" data-auto="site-nav-gallery">Inspiration Gallery</a>
<a href="/blog" class="site-nav-link site-nav-blog" data-auto="site-nav-blog">Blog</a>
</div>
<div class="agn-wrap fouc">
<div class="agn-container"></div>
</div>
<nav class="user_placard hide">
<button class="signin-btn" data-auto="signin-btn">
<span class="signin-btn-icon"></span>
<span class="signin-btn-label"></span>
</button>
<div class="mrvl-user-menu hide"></div>
</nav>
<div class="active-authoring-context fouc hide"></div>
</header>
</div>
<div class="mrvl-user-menu-screen mrvl-overlay-bg hide"></div>
<div class="glb-nav-menu"></div>