javascript - Text on same line -

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existing code cannot modify, here expand class functionality on click helps user expand collapse function.

<h3 class="expand"> tree </h3>

now have put text(root) smaller font size after tree in same line visibility controlled javascript.

<h3 class="expand"> tree <div id="root" style="display:none"><font size="2"> root</font></div></h3>

javascript functionality working fine tree , root not coming in 1 proper line! , yes cannot change h3.

instead of div use span tag 

<h3 class="expand"> tree <span id="root" style="display:none"><font size="2"> root</font></span></h3>

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