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Editorial Team
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Asked: 2026-06-15T15:06:43+00:00

From a previous quest we asked about inserting a new attribute into a html

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From a previous quest we asked about inserting a new attribute into a html tag and the code below does the job nicely, but how should it be coded to add multiple attributes, for example changing..

<body bgcolor="#DDDDDD">

to…

<body bgcolor="#DDDDDD" topmargin="0" leftmargin="0">

The code that works for a single attribute is…

document.getElementsByTagName("body")[0].setAttribute("id", "something");

How to modify this for inserting multiple attributes?

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1 Answer

  1. Editorial Team

    As simple as calling it twice:

    var body = document.getElementsByTagName("body")[0];
body.setAttribute("topmargin", "0");
body.setAttribute("leftmargin", "0");
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