Check out example codes for "how to bold in html". It will help you in understanding the concepts better.

Code Example 1

<p>This is normal text - <b>and this is bold text</b>.</p>

Code Example 2

<b> Bold Text </b>

Code Example 3

<html>
 <head>
   <title>Bold text</title>
 </head>
 <body>
   <p>Use the strong element to <strong>indicate strongly emphasized</strong> content.</p>
 </body>
</html>

Code Example 4

#bold text:
<strong> this is bold </strong>

Code Example 5

<text>Your Text...</text>

Learn ReactJs, React Native from akashmittal.com