javascript - Anyway to make body scrollbar appear if absolute position element goes below screen? -

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javascript - Anyway to make body scrollbar appear if absolute position element goes below screen? -

is there way this? don't want content go below screen without beingness scrollable. (this people may have smaller screens most)

nb: levi putna right in pointing out behaviour occurs if <div> empty.

two options:

you set min-height , min-width <body>. you set height on <body> using javascript when window resized.

setting min-height , min-width:

for example, if absolutely positioned <div> 400 × 300 pixels:

class="lang-css prettyprint-override">body { min-height: 400px; min-width: 300px; }

limitations:

internet explorer 6 lacks support this, although there easy hacks prepare that. @ point, min-height works in practically every other browser out there. there no way accomodate dynamically sized <div>, expect overcompensating.

dynamically setting height (when window resized):

given absolutely positioned <div> of 400 × 300 pixels, positioned @ [0,0]:

class="lang-js prettyprint-override">var $win = $(window); $win.resize(function(){ var height = math.max(400, $win.height()); var width = math.max(300, $win.width()); $('body').css({ height: height, width: width }); });

or, if <div>'s dimensions or position variable:

class="lang-js prettyprint-override">var $win = $(window); var $div = $('#thediv'); // absolutely positioned div $win.resize(function(){ var offset = $div.offset(); var height = $div.outerheight() + offset.top; var width = $div.outerwidth() + offset.left; height = math.max(height, $win.height()); width = math.max(width, $win.width()); $('body').css({ height: height, width: width }); });

by using outerheight , outerwidth, padding , border included. using offset (instead of css top , left, position taken relative document, not offset parent.

javascript jquery html css

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