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<html><head><script src="../../ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script><script>$(document).ready(function(){ $("button").click(function(){ var txt = ""; txt += "Width of div: " + $("#div1").width() + "</br>"; txt += "Inner width of div: " + $("#div1").innerWidth() + "</br>"; txt += "Outer width of div: " + $("#div1").outerWidth() + "</br>"; txt += "Outer width of div (margin included): " + $("#div1").outerWidth(true) + "</br>" + "</br>"; txt += "Height of div: " + $("#div1").height() + "</br>"; txt += "Inner height of div: " + $("#div1").innerHeight() + "</br>"; txt += "Outer height of div: " + $("#div1").outerHeight() + "</br>"; txt += "Outer height of div (margin included): " + $("#div1").outerHeight(true) + "</br>"; $("#div1").html(txt); });});</script></head><body><div id="div1" style="height:180px;width:300px;padding:10px;margin:4px;border:2px solid blue;background-color:lightblue;"></div><br><button>Display dimensions of div</button><p>width() - returns the width of an element.</p><p>innerWidth() - returns the width of an element (includes padding).</p><p>outerWidth() - returns the width of an element (includes padding and border).</p><p>outerWidth(true) - returns the width of an element (includes padding, border and margin).</p><hr><p>height() - returns the height of an element.</p><p>innerHeight() - returns the height of an element (includes padding).</p><p>outerHeight() - returns the height of an element (includes padding and border).</p><p>outerHeight(true) - returns the height of an element (includes padding, border and margin).</p></body>