How to place text of a div as a json string?

This question already has an answer here:

How can I pretty-print JSON using JavaScript? 20 answers

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如果您尝试从JSON字符串中创建对象，请查找JSON.parse() ：

var out = [{
  "name": "Leopardi",
  "children": [{
    "name": "Vita",
    "children": [{
      "name": "Ubriacone"
    }]
  }, {
    "name": "Poesie",
    "children": [{
      "name": "L'infinito"
    }]
  }]
}];

$('#myMap').text(JSON.stringify(out[0], null, 2));

var root = JSON.parse( $('#myMap').text() ); // <-- JSON.parse

console.log('root.name:', root.name);        // <-- can treat 'root' as object

#myMap {
  border: 1px solid;
  padding: .5em;
  font-family: monospace;
  white-space: pre;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

MyMap:
<div id="myMap"></div>

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