html - JavaScript change fontsize not working everywhere -


i have code:

function change_npsize() {    document.getelementbyid("np_drag").style.fontsize = document.getelementsbyname("npsize").item(0).value; };   <input type="text" name="npsize" size="2" maxlength="2" value="<?=$userinfo->npsize; ?>" onchange="change_npsize()" />  <div id="drag-container" style="position:relative;font-family:<?=$userinfo->font?>;">     <div id="np_drag" style="color:<?=$userinfo->npcolor?>; font-size:<?=$userinfo->npsize?>px;" class="draggable np_drag" style="position:absolute;left:80px;">      .::[ nowplaying signature ]::.      </div> </div>

that code working in ie. tried firefox , google chrome.

the proper usage of getelementsbyname() (at least in firefox) is:

getelementsbyname("npsize")[0];

the following works (at least in chrome):

document.getelementbyid("np_drag").style.fontsize = document.getelementsbyname("npsize")[0].value + "px";

note + "px" @ end; can’t set numeric value, need include appropriate unit in value.


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