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Commit 4116c09d authored by Ryan Niemeyer's avatar Ryan Niemeyer
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Update Knockout.js sample to use 2.0.0 features.

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todo-example/knockoutjs/index.html
View file @ 4116c09d
......@@ -3,9 +3,7 @@
<head>
<title>Knockout.js</title>
<link href="css/todos.css" media="all" rel="stylesheet" type="text/css" />
<script src="js/jquery-1.6.1.js" type="text/javascript"></script>
<script src="js/jquery.tmpl.js" type="text/javascript"></script>
<script src="js/knockout-1.2.1.js" type="text/javascript"></script>
<script src="js/knockout-2.0.0.js" type="text/javascript"></script>
</head>
<body>
<div id="todoapp">
......@@ -14,20 +12,41 @@
</div>
<div class="content">
<div id="create-todo">
<input id="new-todo" data-bind="value: current, event: { keyup: add}" placeholder="What needs to be done?"
type="text" />
<input id="new-todo" data-bind="value: current, valueUpdate: 'afterkeydown', event: { keyup: add }" placeholder="What needs to be done?" />
<span class="ui-tooltip-top" style="display: none;">Press Enter to save this task</span>
</div>
<div id="todos">
<ul id="todo-list" data-bind="template: { name: 'todoitemtemplate', foreach: todos }">
<ul id="todo-list" data-bind="foreach: todos">
<li data-bind="css: { editing: editing }">
<div class="todo" data-bind="css: { done : done }">
<div class="display">
<input class="check" type="checkbox" data-bind="checked: done" />
<div class="todo-content" data-bind="text: content, event: { dblclick: edit }" style="cursor: pointer;"></div>
<span class="todo-destroy" data-bind="click: $root.remove"></span>
</div>
<div class="edit">
<input class="todo-input" data-bind="value: content, valueUpdate: 'afterkeydown', event: { keyup: editkeyup, blur: stopEditing }"/>
</div>
</div>
</li>
</ul>
</div>
<div id="todo-stats" data-bind="template: { name: 'statstemplate'}">
<div id="todo-stats">
<span class="todo-count" data-bind="visible: remainingCount">
<span class="number" data-bind="text: remainingCount"></span>
<span class="word" data-bind="text: getLabel(remainingCount)"></span> left.
</span>
<span class="todo-clear" data-bind="visible: completedCount">
<a href="#" data-bind="click: removeCompleted">
Clear <span class="number-done" data-bind="text: completedCount"></span>
completed <span class="word-done" data-bind="text: getLabel(completedCount)"></span>
</a>
</span>
</div>
</div>
</div>
<ul id="instructions">
<li>Double-click to edit a todo.</li>
<li data-bind="visible: todos().length">Double-click to edit a todo.</li>
</ul>
<div id="credits">
Created by
......@@ -37,96 +56,84 @@
Modified to use knockout.js by
<br />
<a href="https://github.com/ashish01/knockoutjs-todos">Ashish Sharma</a>
<br />
Patches/fixes for cross-browser compat:
<br/>
Updated to use knockout.js 2.0 by
<br/>
<a href="http://knockmeout.net">Ryan Niemeyer</a>
<br />
Patches/fixes for cross-browser compat:
<br />
<a href="http://twitter.com/addyosmani">Addy Osmani</a>
</div>
<script id="todoitemtemplate" type="text/html">
<li data-bind="css: {editing: editing}">
<div data-bind="attr: { class : done() ? 'todo done' : 'todo'}">
<div class="display">
<input class="check" type="checkbox" data-bind="checked: done" />
<div class="todo-content" data-bind="text: content, click: edit" style="cursor: pointer;"></div>
<span class="todo-destroy" data-bind="click: viewModel.remove"></span>
</div>
<div class="edit">
<input class="todo-input" type="text" data-bind="value: content, event: { keyup: editkeyup, blur: stopEditing }"/>
</div>
</div>
</li>
</script>
<script id="statstemplate" type="text/html">
<span class="todo-count" data-bind="visible: remaining().length > 0">
<span class="number" data-bind="text: remaining().length"></span>
<span class="word" data-bind="text: remaining().length == 1 ? 'item' : 'items'"></span> left.
</span>
<span class="todo-clear" data-bind="visible: done().length > 0">
<a href="#" data-bind="click: removeCompleted">
Clear <span class="number-done" data-bind="text: done().length"></span>
completed <span class="word-done"data-bind="text: done().length == 1 ? 'item' : 'items'"></span>
</a>
</span>
</script>
<script type="text/javascript">
var Todo = function (text) {
this.content = ko.observable(text);
this.order = ko.observable();
this.done = ko.observable(false);
this.editing = ko.observable(false);
this.edit = function() { this.editing(true); };
this.stopEditing = function() { this.editing(false); };
this.editkeyup = function(event) {
if (event.keyCode === 13) {
this.stopEditing();
}
};
}
var viewModel = {
todos: ko.observableArray(),
current: ko.observable(),
add: function (event) {
if (event.keyCode === 13) {
var todoContent = "";
/*includes fix for Opera*/
(viewModel.current() == undefined) ? todoContent = $('#new-todo').val() : todoContent = viewModel.current();
var newTodo = new Todo(todoContent);
this.todos.push(newTodo);
this.current("");
(function() {
//represent a single todo item
var Todo = function (text) {
this.content = ko.observable(text);
this.done = ko.observable(false);
this.editing = ko.observable(false);
};
//can place methods on prototype, as there can be many todos
ko.utils.extend(Todo.prototype, {
edit: function() { this.editing(true); },
stopEditing: function() { this.editing(false); },
editkeyup: function(data, event) {
if (event.keyCode === 13) {
this.stopEditing();
}
}
});
},
//our main view model
var ViewModel = function() {
var self = this;
this.todos = ko.observableArray();
this.current = ko.observable();
remove: function (event) {
viewModel.todos.remove(this);
},
//add a new todo, when enter key is pressed
this.add = function (data, event) {
if (event.keyCode === 13) {
var newTodo = new Todo(self.current());
self.todos.push(newTodo);
self.current("");
}
};
removeCompleted: function (event) {
viewModel.todos.removeAll(viewModel.done());
}
};
//remove a single todo
this.remove = function (todo) {
self.todos.remove(todo);
};
//remove all completed todos
this.removeCompleted = function () {
self.todos.remove(function(todo) {
return todo.done();
});
};
viewModel.remaining = ko.dependentObservable(function () {
return this.todos().filter(function (el) {
return el.done() === false;
});
}, viewModel),
//count of all completed todos
this.completedCount = ko.computed(function () {
return ko.utils.arrayFilter(self.todos(), function(todo) {
return todo.done();
}).length;
});
viewModel.done = ko.dependentObservable(function () {
return this.todos().filter(function (el) {
return el.done() === true;
});
}, viewModel),
//count of todos that are not complete
this.remainingCount = ko.computed(function () {
return self.todos().length - self.completedCount();
});
//helper function to keep expressions out of markup
this.getLabel = function(count) {
return ko.utils.unwrapObservable(count) === 1 ? "item" : "items";
};
};
ko.applyBindings(viewModel);
//bind a new instance of our view model to the page
ko.applyBindings(new ViewModel());
})();
</script>
</body>
</html>
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todo-example/knockoutjs/js/jquery-1.6.1.js deleted 100644 → 0
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todo-example/knockoutjs/js/jquery.tmpl.js deleted 100644 → 0
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/*!
* jQuery Templates Plugin 1.0.0pre
* http://github.com/jquery/jquery-tmpl
* Requires jQuery 1.4.2
*
* Copyright Software Freedom Conservancy, Inc.
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*/
(function( jQuery, undefined ){
var oldManip = jQuery.fn.domManip, tmplItmAtt = "_tmplitem", htmlExpr = /^[^<]*(<[\w\W]+>)[^>]*$|\{\{\! /,
newTmplItems = {}, wrappedItems = {}, appendToTmplItems, topTmplItem = { key: 0, data: {} }, itemKey = 0, cloneIndex = 0, stack = [];
function newTmplItem( options, parentItem, fn, data ) {
// Returns a template item data structure for a new rendered instance of a template (a 'template item').
// The content field is a hierarchical array of strings and nested items (to be
// removed and replaced by nodes field of dom elements, once inserted in DOM).
var newItem = {
data: data || (data === 0 || data === false) ? data : (parentItem ? parentItem.data : {}),
_wrap: parentItem ? parentItem._wrap : null,
tmpl: null,
parent: parentItem || null,
nodes: [],
calls: tiCalls,
nest: tiNest,
wrap: tiWrap,
html: tiHtml,
update: tiUpdate
};
if ( options ) {
jQuery.extend( newItem, options, { nodes: [], parent: parentItem });
}
if ( fn ) {
// Build the hierarchical content to be used during insertion into DOM
newItem.tmpl = fn;
newItem._ctnt = newItem._ctnt || newItem.tmpl( jQuery, newItem );
newItem.key = ++itemKey;
// Keep track of new template item, until it is stored as jQuery Data on DOM element
(stack.length ? wrappedItems : newTmplItems)[itemKey] = newItem;
}
return newItem;
}
// Override appendTo etc., in order to provide support for targeting multiple elements. (This code would disappear if integrated in jquery core).
jQuery.each({
appendTo: "append",
prependTo: "prepend",
insertBefore: "before",
insertAfter: "after",
replaceAll: "replaceWith"
}, function( name, original ) {
jQuery.fn[ name ] = function( selector ) {
var ret = [], insert = jQuery( selector ), elems, i, l, tmplItems,
parent = this.length === 1 && this[0].parentNode;
appendToTmplItems = newTmplItems || {};
if ( parent && parent.nodeType === 11 && parent.childNodes.length === 1 && insert.length === 1 ) {
insert[ original ]( this[0] );
ret = this;
} else {
for ( i = 0, l = insert.length; i < l; i++ ) {
cloneIndex = i;
elems = (i > 0 ? this.clone(true) : this).get();
jQuery( insert[i] )[ original ]( elems );
ret = ret.concat( elems );
}
cloneIndex = 0;
ret = this.pushStack( ret, name, insert.selector );
}
tmplItems = appendToTmplItems;
appendToTmplItems = null;
jQuery.tmpl.complete( tmplItems );
return ret;
};
});
jQuery.fn.extend({
// Use first wrapped element as template markup.
// Return wrapped set of template items, obtained by rendering template against data.
tmpl: function( data, options, parentItem ) {
return jQuery.tmpl( this[0], data, options, parentItem );
},
// Find which rendered template item the first wrapped DOM element belongs to
tmplItem: function() {
return jQuery.tmplItem( this[0] );
},
// Consider the first wrapped element as a template declaration, and get the compiled template or store it as a named template.
template: function( name ) {
return jQuery.template( name, this[0] );
},
domManip: function( args, table, callback, options ) {
if ( args[0] && jQuery.isArray( args[0] )) {
var dmArgs = jQuery.makeArray( arguments ), elems = args[0], elemsLength = elems.length, i = 0, tmplItem;
while ( i < elemsLength && !(tmplItem = jQuery.data( elems[i++], "tmplItem" ))) {}
if ( tmplItem && cloneIndex ) {
dmArgs[2] = function( fragClone ) {
// Handler called by oldManip when rendered template has been inserted into DOM.
jQuery.tmpl.afterManip( this, fragClone, callback );
};
}
oldManip.apply( this, dmArgs );
} else {
oldManip.apply( this, arguments );
}
cloneIndex = 0;
if ( !appendToTmplItems ) {
jQuery.tmpl.complete( newTmplItems );
}
return this;
}
});
jQuery.extend({
// Return wrapped set of template items, obtained by rendering template against data.
tmpl: function( tmpl, data, options, parentItem ) {
var ret, topLevel = !parentItem;
if ( topLevel ) {
// This is a top-level tmpl call (not from a nested template using {{tmpl}})
parentItem = topTmplItem;
tmpl = jQuery.template[tmpl] || jQuery.template( null, tmpl );
wrappedItems = {}; // Any wrapped items will be rebuilt, since this is top level
} else if ( !tmpl ) {
// The template item is already associated with DOM - this is a refresh.
// Re-evaluate rendered template for the parentItem
tmpl = parentItem.tmpl;
newTmplItems[parentItem.key] = parentItem;
parentItem.nodes = [];
if ( parentItem.wrapped ) {
updateWrapped( parentItem, parentItem.wrapped );
}
// Rebuild, without creating a new template item
return jQuery( build( parentItem, null, parentItem.tmpl( jQuery, parentItem ) ));
}
if ( !tmpl ) {
return []; // Could throw...
}
if ( typeof data === "function" ) {
data = data.call( parentItem || {} );
}
if ( options && options.wrapped ) {
updateWrapped( options, options.wrapped );
}
ret = jQuery.isArray( data ) ?
jQuery.map( data, function( dataItem ) {
return dataItem ? newTmplItem( options, parentItem, tmpl, dataItem ) : null;
}) :
[ newTmplItem( options, parentItem, tmpl, data ) ];
return topLevel ? jQuery( build( parentItem, null, ret ) ) : ret;
},
// Return rendered template item for an element.
tmplItem: function( elem ) {
var tmplItem;
if ( elem instanceof jQuery ) {
elem = elem[0];
}
while ( elem && elem.nodeType === 1 && !(tmplItem = jQuery.data( elem, "tmplItem" )) && (elem = elem.parentNode) ) {}
return tmplItem || topTmplItem;
},
// Set:
// Use $.template( name, tmpl ) to cache a named template,
// where tmpl is a template string, a script element or a jQuery instance wrapping a script element, etc.
// Use $( "selector" ).template( name ) to provide access by name to a script block template declaration.
// Get:
// Use $.template( name ) to access a cached template.
// Also $( selectorToScriptBlock ).template(), or $.template( null, templateString )
// will return the compiled template, without adding a name reference.
// If templateString includes at least one HTML tag, $.template( templateString ) is equivalent
// to $.template( null, templateString )
template: function( name, tmpl ) {
if (tmpl) {
// Compile template and associate with name
if ( typeof tmpl === "string" ) {
// This is an HTML string being passed directly in.
tmpl = buildTmplFn( tmpl )
} else if ( tmpl instanceof jQuery ) {
tmpl = tmpl[0] || {};
}
if ( tmpl.nodeType ) {
// If this is a template block, use cached copy, or generate tmpl function and cache.
tmpl = jQuery.data( tmpl, "tmpl" ) || jQuery.data( tmpl, "tmpl", buildTmplFn( tmpl.innerHTML ));
// Issue: In IE, if the container element is not a script block, the innerHTML will remove quotes from attribute values whenever the value does not include white space.
// This means that foo="${x}" will not work if the value of x includes white space: foo="${x}" -> foo=value of x.
// To correct this, include space in tag: foo="${ x }" -> foo="value of x"
}
return typeof name === "string" ? (jQuery.template[name] = tmpl) : tmpl;
}
// Return named compiled template
return name ? (typeof name !== "string" ? jQuery.template( null, name ):
(jQuery.template[name] ||
// If not in map, and not containing at least on HTML tag, treat as a selector.
// (If integrated with core, use quickExpr.exec)
jQuery.template( null, htmlExpr.test( name ) ? name : jQuery( name )))) : null;
},
encode: function( text ) {
// Do HTML encoding replacing < > & and ' and " by corresponding entities.
return ("" + text).split("<").join("&lt;").split(">").join("&gt;").split('"').join("&#34;").split("'").join("&#39;");
}
});
jQuery.extend( jQuery.tmpl, {
tag: {
"tmpl": {
_default: { $2: "null" },
open: "if($notnull_1){__=__.concat($item.nest($1,$2));}"
// tmpl target parameter can be of type function, so use $1, not $1a (so not auto detection of functions)
// This means that {{tmpl foo}} treats foo as a template (which IS a function).
// Explicit parens can be used if foo is a function that returns a template: {{tmpl foo()}}.
},
"wrap": {
_default: { $2: "null" },
open: "$item.calls(__,$1,$2);__=[];",
close: "call=$item.calls();__=call._.concat($item.wrap(call,__));"
},
"each": {
_default: { $2: "$index, $value" },
open: "if($notnull_1){$.each($1a,function($2){with(this){",
close: "}});}"
},
"if": {
open: "if(($notnull_1) && $1a){",
close: "}"
},
"else": {
_default: { $1: "true" },
open: "}else if(($notnull_1) && $1a){"
},
"html": {
// Unecoded expression evaluation.
open: "if($notnull_1){__.push($1a);}"
},
"=": {
// Encoded expression evaluation. Abbreviated form is ${}.
_default: { $1: "$data" },
open: "if($notnull_1){__.push($.encode($1a));}"
},
"!": {
// Comment tag. Skipped by parser
open: ""
}
},
// This stub can be overridden, e.g. in jquery.tmplPlus for providing rendered events
complete: function( items ) {
newTmplItems = {};
},
// Call this from code which overrides domManip, or equivalent
// Manage cloning/storing template items etc.
afterManip: function afterManip( elem, fragClone, callback ) {
// Provides cloned fragment ready for fixup prior to and after insertion into DOM
var content = fragClone.nodeType === 11 ?
jQuery.makeArray(fragClone.childNodes) :
fragClone.nodeType === 1 ? [fragClone] : [];
// Return fragment to original caller (e.g. append) for DOM insertion
callback.call( elem, fragClone );
// Fragment has been inserted:- Add inserted nodes to tmplItem data structure. Replace inserted element annotations by jQuery.data.
storeTmplItems( content );
cloneIndex++;
}
});
//========================== Private helper functions, used by code above ==========================
function build( tmplItem, nested, content ) {
// Convert hierarchical content into flat string array
// and finally return array of fragments ready for DOM insertion
var frag, ret = content ? jQuery.map( content, function( item ) {
return (typeof item === "string") ?
// Insert template item annotations, to be converted to jQuery.data( "tmplItem" ) when elems are inserted into DOM.
(tmplItem.key ? item.replace( /(<\w+)(?=[\s>])(?![^>]*_tmplitem)([^>]*)/g, "$1 " + tmplItmAtt + "=\"" + tmplItem.key + "\" $2" ) : item) :
// This is a child template item. Build nested template.
build( item, tmplItem, item._ctnt );
}) :
// If content is not defined, insert tmplItem directly. Not a template item. May be a string, or a string array, e.g. from {{html $item.html()}}.
tmplItem;
if ( nested ) {
return ret;
}
// top-level template
ret = ret.join("");
// Support templates which have initial or final text nodes, or consist only of text
// Also support HTML entities within the HTML markup.
ret.replace( /^\s*([^<\s][^<]*)?(<[\w\W]+>)([^>]*[^>\s])?\s*$/, function( all, before, middle, after) {
frag = jQuery( middle ).get();
storeTmplItems( frag );
if ( before ) {
frag = unencode( before ).concat(frag);
}
if ( after ) {
frag = frag.concat(unencode( after ));
}
});
return frag ? frag : unencode( ret );
}
function unencode( text ) {
// Use createElement, since createTextNode will not render HTML entities correctly
var el = document.createElement( "div" );
el.innerHTML = text;
return jQuery.makeArray(el.childNodes);
}
// Generate a reusable function that will serve to render a template against data
function buildTmplFn( markup ) {
return new Function("jQuery","$item",
// Use the variable __ to hold a string array while building the compiled template. (See https://github.com/jquery/jquery-tmpl/issues#issue/10).
"var $=jQuery,call,__=[],$data=$item.data;" +
// Introduce the data as local variables using with(){}
"with($data){__.push('" +
// Convert the template into pure JavaScript
jQuery.trim(markup)
.replace( /([\\'])/g, "\\$1" )
.replace( /[\r\t\n]/g, " " )
.replace( /\$\{([^\}]*)\}/g, "{{= $1}}" )
.replace( /\{\{(\/?)(\w+|.)(?:\(((?:[^\}]|\}(?!\}))*?)?\))?(?:\s+(.*?)?)?(\(((?:[^\}]|\}(?!\}))*?)\))?\s*\}\}/g,
function( all, slash, type, fnargs, target, parens, args ) {
var tag = jQuery.tmpl.tag[ type ], def, expr, exprAutoFnDetect;
if ( !tag ) {
throw "Unknown template tag: " + type;
}
def = tag._default || [];
if ( parens && !/\w$/.test(target)) {
target += parens;
parens = "";
}
if ( target ) {
target = unescape( target );
args = args ? ("," + unescape( args ) + ")") : (parens ? ")" : "");
// Support for target being things like a.toLowerCase();
// In that case don't call with template item as 'this' pointer. Just evaluate...
expr = parens ? (target.indexOf(".") > -1 ? target + unescape( parens ) : ("(" + target + ").call($item" + args)) : target;
exprAutoFnDetect = parens ? expr : "(typeof(" + target + ")==='function'?(" + target + ").call($item):(" + target + "))";
} else {
exprAutoFnDetect = expr = def.$1 || "null";
}
fnargs = unescape( fnargs );
return "');" +
tag[ slash ? "close" : "open" ]
.split( "$notnull_1" ).join( target ? "typeof(" + target + ")!=='undefined' && (" + target + ")!=null" : "true" )
.split( "$1a" ).join( exprAutoFnDetect )
.split( "$1" ).join( expr )
.split( "$2" ).join( fnargs || def.$2 || "" ) +
"__.push('";
}) +
"');}return __;"
);
}
function updateWrapped( options, wrapped ) {
// Build the wrapped content.
options._wrap = build( options, true,
// Suport imperative scenario in which options.wrapped can be set to a selector or an HTML string.
jQuery.isArray( wrapped ) ? wrapped : [htmlExpr.test( wrapped ) ? wrapped : jQuery( wrapped ).html()]
).join("");
}
function unescape( args ) {
return args ? args.replace( /\\'/g, "'").replace(/\\\\/g, "\\" ) : null;
}
function outerHtml( elem ) {
var div = document.createElement("div");
div.appendChild( elem.cloneNode(true) );
return div.innerHTML;
}
// Store template items in jQuery.data(), ensuring a unique tmplItem data data structure for each rendered template instance.
function storeTmplItems( content ) {
var keySuffix = "_" + cloneIndex, elem, elems, newClonedItems = {}, i, l, m;
for ( i = 0, l = content.length; i < l; i++ ) {
if ( (elem = content[i]).nodeType !== 1 ) {
continue;
}
elems = elem.getElementsByTagName("*");
for ( m = elems.length - 1; m >= 0; m-- ) {
processItemKey( elems[m] );
}
processItemKey( elem );
}
function processItemKey( el ) {
var pntKey, pntNode = el, pntItem, tmplItem, key;
// Ensure that each rendered template inserted into the DOM has its own template item,
if ( (key = el.getAttribute( tmplItmAtt ))) {
while ( pntNode.parentNode && (pntNode = pntNode.parentNode).nodeType === 1 && !(pntKey = pntNode.getAttribute( tmplItmAtt ))) { }
if ( pntKey !== key ) {
// The next ancestor with a _tmplitem expando is on a different key than this one.
// So this is a top-level element within this template item
// Set pntNode to the key of the parentNode, or to 0 if pntNode.parentNode is null, or pntNode is a fragment.
pntNode = pntNode.parentNode ? (pntNode.nodeType === 11 ? 0 : (pntNode.getAttribute( tmplItmAtt ) || 0)) : 0;
if ( !(tmplItem = newTmplItems[key]) ) {
// The item is for wrapped content, and was copied from the temporary parent wrappedItem.
tmplItem = wrappedItems[key];
tmplItem = newTmplItem( tmplItem, newTmplItems[pntNode]||wrappedItems[pntNode] );
tmplItem.key = ++itemKey;
newTmplItems[itemKey] = tmplItem;
}
if ( cloneIndex ) {
cloneTmplItem( key );
}
}
el.removeAttribute( tmplItmAtt );
} else if ( cloneIndex && (tmplItem = jQuery.data( el, "tmplItem" )) ) {
// This was a rendered element, cloned during append or appendTo etc.
// TmplItem stored in jQuery data has already been cloned in cloneCopyEvent. We must replace it with a fresh cloned tmplItem.
cloneTmplItem( tmplItem.key );
newTmplItems[tmplItem.key] = tmplItem;
pntNode = jQuery.data( el.parentNode, "tmplItem" );
pntNode = pntNode ? pntNode.key : 0;
}
if ( tmplItem ) {
pntItem = tmplItem;
// Find the template item of the parent element.
// (Using !=, not !==, since pntItem.key is number, and pntNode may be a string)
while ( pntItem && pntItem.key != pntNode ) {
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todo-example/knockoutjs/js/knockout-1.2.1.debug.js deleted 100644 → 0
View file @ a02ee13c
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todo-example/knockoutjs/js/knockout-1.2.1.js deleted 100644 → 0
View file @ a02ee13c
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