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X Index

Animation

xAniLine, xAnimation.arc, xAnimation.corner, xAnimation.css, xAnimation.imgSize, xAnimation.line, xAnimation.opacity, xAnimation.para, xAnimation.rgb, xAnimation.rgbByClass, xAnimation.scroll, xAnimation.size, xAnimation, xAniOpacity, xAniRgb, xAniWH, xAniXY, xEllipse, xParaEq, xSequence, xSlideCornerTo, xSlideTo, xWinScrollTo.

DOM

xFirstChild, xGetElementById, xGetElementsByAttribute, xGetElementsByClassName, xGetElementsByTagName, xLoadLink, xLoadScript, xNextSib, xParent, xParentN, xPrevSib, xSmartLoad, xSmartLoad2, xSmartLoadScript.

Debug

xConsole, xEditable, xName, xParentChain, xSetIETitle.

Event

xAddEventListener, xDisableDrag, xDisableDrop, xEnableDrag, xEnableDrag2, xEnableDrop, xEvent, xHttpRequest, xPreventDefault, xRemoveEventListener, xStopPropagation.

Image

xImgAsyncWait, xImgRollSetup, xTriStateImage.

Iteration

xEach, xEachE, xEachN, xEachUntilReturn, xTimes, xWalkToFirst, xWalkToLast, xWalkTree, xWalkTree2, xWalkTree3, xWalkTreeRev, xWalkUL.

Misc

xCookie, xDef, xDeg, xGetURLArguments, xLibrary, xLinearScale, xNum, xRad, xRound, xStr.

Position

xCardinalPosition, xCen, xCenter, xGetEleAtPoint, xHasPoint, xIntersection, xLeft, xMoveTo, xOffset, xPageX, xPageY, xScrollLeft, xScrollTop, xTop.

Size

xClip, xColEqualizer, xDocSize, xHeight, xResizeTo, xWidth.

String

xCamelize, xCapitalize, xHex, xPad, xParseColor, xRgbToHex, xStrEndsWith, xStrRepeat, xStrReplaceEnd, xStrStartsWith, xTrim.

Style

xAddClass, xDisplay, xFindAfterByClassName, xFindBeforeByClassName, xGetComputedStyle, xGetCSSRules, xGetStyleSheetFromLink, xHasClass, xHasStyleSelector, xHasStyleSheets, xInsertRule, xOpacity, xRemoveClass, xStyle, xTagStyle, xToggleClass, xTraverseDocumentStyleSheets, xTraverseStyleSheet.

Table

xTable, xTableCellVisibility, xTableColDisplay, xTableCursor, xTableCursor2, xTableHeaderFixed, xTableIterate, xTableRowDisplay, xTableSync.

UI

xBar, xCalendar, xCollapsible, xDialog, xFenster, xFenster2, xMenu1, xMenu1A, xMenu1B, xMenu5, xMenu6, xModalDialog, xPopup, xSelect, xSplitter, xTabPanelGroup, xTextArea, xTooltipGroup.

Window

xClientHeight, xClientWidth, xWinClass, xWindow, xWinOpen.

xScrollTop

Description

Determine how far the window (or an element) has scrolled vertically.

Syntax

xScrollTop(e, bWin)

Parameters

eleid string or object reference. If undefined return document scrollTop
bWinif true, ele is assumed to be a reference to a window object

Return

the number of pixels the element (or window) has scrolled vertically

Source

Default.

// xScrollTop r4, Copyright 2001-2009 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL
function xScrollTop(e, bWin)
{
  var w, offset=0;
  if (!xDef(e) || bWin || e == document || e.tagName.toLowerCase() == 'html' || e.tagName.toLowerCase() == 'body') {
    w = window;
    if (bWin && e) w = e;
    if(w.document.documentElement && w.document.documentElement.scrollTop) offset=w.document.documentElement.scrollTop;
    else if(w.document.body && xDef(w.document.body.scrollTop)) offset=w.document.body.scrollTop;
  }
  else {
    e = xGetElementById(e);
    if (e && xNum(e.scrollTop)) offset = e.scrollTop;
  }
  return offset;
}

Dependencies

xGetElementById, xDef, xNum

Demos

toys - Index of all X demos.

Revisions

4: 6Mar09Combined multiple var statements into one.
3: 6Apr04If ele is document or html or body then return document.scrollTop, not ele.scrollTop
2: added external window support
1: 31Mar04put in it's own file for use with XC

License

By your use of X and/or CBE and/or any Javascript from this site you consent to the GNU LGPL - please read it. If you have any questions about the license, read the FAQ and/or come to the forums.

Tech Support

Forum support is available at the X Library Support Forums.

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