jQuery contents() Method
Find all the text nodes inside a <div> element and wrap them with a <b> element:
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Definition and Usage
The contents() method returns all direct children, including text and comment nodes, of the selected element.
A text node is the actual text displayed by an element.
This method is similar to the children() method, except that it returns text and comment nodes as well. The contents() method can also access the HTML of an iframe, if it is in the same domain.