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<title>The source code</title>
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<pre class="prettyprint lang-js">/**
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* @class Ext.Element
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*/
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Ext.Element.addMethods({
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<div id="method-Ext.Element-isScrollable"></div>/**
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* Returns true if this element is scrollable.
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* @return {Boolean}
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*/
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isScrollable : function(){
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var dom = this.dom;
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return dom.scrollHeight > dom.clientHeight || dom.scrollWidth > dom.clientWidth;
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},
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<div id="method-Ext.Element-scrollTo"></div>/**
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* Scrolls this element the specified scroll point. It does NOT do bounds checking so if you scroll to a weird value it will try to do it. For auto bounds checking, use scroll().
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* @param {String} side Either "left" for scrollLeft values or "top" for scrollTop values.
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* @param {Number} value The new scroll value.
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* @return {Element} this
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*/
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scrollTo : function(side, value){
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this.dom["scroll" + (/top/i.test(side) ? "Top" : "Left")] = value;
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return this;
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},
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<div id="method-Ext.Element-getScroll"></div>/**
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* Returns the current scroll position of the element.
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* @return {Object} An object containing the scroll position in the format {left: (scrollLeft), top: (scrollTop)}
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*/
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getScroll : function(){
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var d = this.dom,
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doc = document,
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body = doc.body,
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docElement = doc.documentElement,
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l,
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t,
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ret;
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if(d == doc || d == body){
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if(Ext.isIE && Ext.isStrict){
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l = docElement.scrollLeft;
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t = docElement.scrollTop;
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}else{
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l = window.pageXOffset;
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t = window.pageYOffset;
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}
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ret = {left: l || (body ? body.scrollLeft : 0), top: t || (body ? body.scrollTop : 0)};
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}else{
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ret = {left: d.scrollLeft, top: d.scrollTop};
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}
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return ret;
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}
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});</pre>
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