I would like to keep the content of my JSON-LD script dynamic. However, AMP does not allow me to use Javascript and the script should be in the head.
Keeping the body's content dynamic is not a problem, because of amp-list.
<head>
<script type="application/ld+json">
{
"@context": "http://schema.org",
"@type": "NewsArticle",
"mainEntityOfPage": {
"@type": "WebPage",
"@id": "www.google.com"
},
"headline": "???"
}
</script>
</head>
<body>
<amp-list layout="fixed-height" height="100vh" width="auto" src="www.google.com/json" class="m1">
<template type="amp-mustache" id="amp-template-id">
<p>{{title}}</p>
</template>
</amp-list>
</body>
The article's title can be accessed within the amp-list tag by using {{}}. I need this value in the json-ld in the head as the value for headline. Any suggestions on how to do this?
You could use Microdata instead of JSON-LD to markup your documents. This way the metadata would be inlined with your content and can be generated via amp-list:
<amp-list layout="fixed-height" height="100vh" width="auto" src="www.google.com/json" class="m1">
<template type="amp-mustache" id="amp-template-id">
<h1 itemprop="headline">{{title}}</h1>
<h2 itemprop="author" itemscope itemtype="https://schema.org/Person">
<span itemprop="name">{{author}}</span>
</h2>
...
</template>
</amp-list>
Here is a full Microdata sample.