html - set innerHTML of div tag under li tag in javascript -

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i have below html , want add innerhtml of div tag.

<li id="liflashdetectionmessage" class="width730 height30 divfloatleft marginleft15">     <div id="divflashdetectionmessage" class="divfloatleft marginleft5 width730">     </div> </li>

i have written below giving javascript error.

document.getelementbyid("divflashdetectionmessage").innerhtml = "oops, flash player not installed on browser.";

can how it?

without having seen full code, bet code run before dom ready.

since browser parse code top bottom , execute javascript immediately, if <script> tag put before actual <div> element try manipulate, in source, won't find match when run document.getelementbyid() because @ time piece of code execute, browser still doesn't know tag declare further down page.

try moving script-element bottom of page, before closing </body> tag.

if can't/don't want move javascript, have listen dom-ready event browser fires dom ready, , execute code when know dom ready.


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