The TreeView has many built-in features such as showing a checkbox for all the Tree Nodes. Node level formating, style, etc., Enabling the ShowCheckBoxes="All" property sets it to show a checkbox for all the nodes. The other options are Leaf, None, ..... The below javascript is the simple to check all the checkboxes in a treeview control function UnCheckAllCheckBoxes() { var ControlToUncheck = document.getElementById('ctl00_maincontent_WTrVwDivisionHierarchy');

Our task is to check all the checkboxes for the list items that have the class “ important “. Using only DOM Level 2 methods we could do it this way: var items = document.getElementById('menu').getElementsByTagName('li'); for(var i=0; .... If you can afford the performance hit (of node selection across the entire document tree in JS) in the older browsers, you're good. Pity it's CSS selectors, though, instead of XPath. You could always implement the CSS selectors on top

This is because of how everything in the DOM relates to each other and what the browser has to do to maintain the element tree. But without the DOM, JavaScript on the web would be useless. So it has become a necessary evil. ... $('#elem_id' ) is not as simple as using document.getElementById, as it is in other frameworks. When you get an element this way, you wrap it when the whole jQuery object. All of jQuery's functions, properties, and various special cases are all

using JavaScript, i am trying to highlight the parent node in a tree whose children are selected with a checkbox. does anyone know how to do that? i have. ... var _prev_id = ""; function ob_OnNodeSelect(id) { if(tree_parent_id != _prev_id) { var e = document.getElementById(tree_parent_id); var n = document.getElementById(_prev_id); if(n != null) n.className = 'ob_t2'; if(e != null) { e.className = 'ob_t3'; _prev_id = tree_parent_id;

More below. var emptyObject = {}; // truthy var notANumber = 5 / "tree"; // falsy // NaN is a special javascript object for "Not a Number". function exampleFunction(){ alert("Test"); } // examleFunction is truthy // BUT exampleFunction() ... var checkbox = dojo.byId("agreeToTerms"); //or getElementById if you're not using dojo var name = checkbox.checked && prompt("What is your name"); //name is either their name, or false if they haven't checked the agreeToTerms checkbox

//checkbox节点的点击事件 function tree_checkbox_click(tree,no){ var cb=document.getElementById(tree.name+"_checkbox_"+no); tree.processAllCheckBox(no,cb.checked); } //处理点击节点事件 function nodeClickEvent(tree,no,name){ ... var tree; function body_onload(){ //取得所有的数据到客户端 //取得所有的数据到客户端 tree = new Tree(tree_area,"images/","tree",true,false); tree.addNode(new NodeItem("0000","变电站列表","sy.gif","sy.gif",0,""

function ShowLegend(ControlID,LegendInfo) { alert(LegendInfo); var para = "LegendInfo="+LegendInfo + "&Visible=" + document.all(ControlID).checked; var myAjax = new Ajax. .... toLowerCase() == "checkbox"); } //get tree function TV2_GetTreeById(id) { return document.getElementById(id); } //get div contains child nodes function TV2i_GetChildNodesDiv(node) { if(TV2_NodeIsLeaf(node)) return null; var childNodsDivId = node.id

I'm trying to hide and show a tree list. This can be easily done, but when I get to the point where the user will go to a diiferent page and make th ebrowser remember the expanded list, the problem starts. what i need to do is a .... Initialize the checkbox to display = 'none' If ddlFieldTypes.SelectedItem.Text = "Note" Then chkSortField1.Style.Add("display", "none") End If. ' From within the javascript function var ftype = document.getElementById('" & ddlFieldTypes

Very simple, you can add as many levels as required and, although I didn't test it, I think you can also generate it through JavaScript. I use PHP so my checkbox names are intended to fill an Array. Lastly, I use spans around the inputs and ... highlightState) { YAHOO.util.Dom.get(tree._nodes[i].contentElId).getElementsByTagName('input')[0].checked = false; } } } //Create the TreeView var tree = new YAHOO.widget.TreeView("treeDiv"); //Set every node to Html type tree

Outputs the tree to the page dTree.prototype.toString = function() { var str = '\n'; if (document.getElementById) { if (this.config.useCookies) this.selectedNode = this.getSelected(); str += this.addNode(this.root); ... checkboxSyntax = "<input type='<b>checkbox</b>' desc='" + node.cshow + "' name='" + node.cname + "' id='" + node.cname + "_" + node.id + "' value='" + node.cvalue + "' onClick='<b>javascript</b>: " + this.obj + ".checkNode(" + node.id+","+node.pid+"

if (isNodeOver) src.title = tempNodeVal; //reassign the node val to title, will need it } function GetCSVListOfCheckedNodeValues(treeID) { var inputsInTree = document.getElementById(treeID).getElementsByTagName("input"); ... I have 3 report names listed in a value prompt designed using the Javascript. Namely 'Summary', 'Trend' and 'Detail'. So my default report is 'Summary'. Along with this value Prompt, I have a Tree Prompt created with a parameter 'temp_group' with Name

var inputsInTree = document.getElementById(treeViewID).getElementsByTagName("input"); for(var i = 0; i < inputsInTree.length ; i++) { var currentElement = inputsInTree[i]; if(currentElement.type == "checkbox" && currentElement.checked) return true; } return false; ..... In the tree there are several regions Chain and within Region and there are several areas within the area there are many shops, do I get data from a database (BD) of a commercial area X

Inserting checkboxes into the tree (and moving them around the document) no longer resets the 'checked' state with the 'defaultChecked' state. The 'defaultChecked' DOM attribute now reflects the 'checked' content attribute. .... Because they are not native JavaScript objects we can't properly extend things - or more importantly - fix stuff that Microsoft doesn't. I would love to prototype fixes for IE only for the following: .innerHTML .setAttribute() .getElementsByName()