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First batch of doc/commenting additions.

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This commit is contained in:
John Resig 2006-07-08 21:15:08 +00:00
parent e2c2a9392e
commit 4ad5fcb4f7
1 changed files with 337 additions and 215 deletions
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548
jquery/jquery.js vendored
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@ -80,6 +80,8 @@ jQuery.fn = jQuery.prototype = {
* The current SVN version of jQuery.
*
* @private
* @property
* @name jquery
* @type String
*/
jquery: "$Rev$",
@ -87,6 +89,15 @@ jQuery.fn = jQuery.prototype = {
/**
* The number of elements currently matched.
*
* @property
* @name length
* @type Number
*/
/**
* The number of elements currently matched.
*
* @name size
* @type Number
*/
size: function() {
@ -94,16 +105,41 @@ jQuery.fn = jQuery.prototype = {
},
/**
* Access the elements matched. If a number is provided,
* the Nth element is returned, otherwise, an array of all
* matched items is returned.
* Access all matched elements. This serves as a backwards-compatible
* way of accessing all matched elements (other than the jQuery object
* itself, which is, in fact, an array of elements).
*
* @type Array,DOMElement
* @name get
* @type Array<Element>
*/
get: function(num) {
/**
* Access a single matched element. <tt>num</tt> is used to access the
* <tt>num</tt>th element matched.
*
* @name get
* @type Element
* @param Number num Access the element in the <tt>num</tt>th position.
*/
/**
* Set the jQuery object to an array of elements.
*
* @private
* @name get
* @type jQuery
* @param Elements elems An array of elements
*/
get: function( num ) {
// Watch for when an array (of elements) is passed in
if ( num && num.constructor == Array ) {
// Use a tricky hack to make the jQuery object
// look and feel like an array
this.length = 0;
[].push.apply( this, num );
return this;
} else
return num == undefined ?
@ -114,28 +150,123 @@ jQuery.fn = jQuery.prototype = {
this[num];
},
each: function(f) {
for ( var i = 0; i < this.size(); i++ )
f.apply( this[i], [i] );
/**
* Execute a function within the context of every matched element.
* This means that every time the passed-in function is executed
* (which is once for every element matched) the 'this' keyword
* points to the specific element.
*
* Additionally, the function, when executed, is passed a single
* argument representing the position of the element in the matched
* set.
*
* @name each
* @type jQuery
* @param Function fn A function to execute
*/
each: function( fn ) {
// Iterate through all of the matched elements
for ( var i = 0; i < this.length; i++ )
// Execute the function within the context of each element
fn.apply( this[i], [i] );
return this;
},
set: function(a,b) {
return this.each(function(){
if ( b === undefined )
for ( var j in a )
jQuery.attr(this,j,a[j]);
/**
* Access a property on the first matched element.
* This method makes it easy to retreive a property value
* from the first matched element.
*
* @name attr
* @type Object
* @param String name The name of the property to access.
*/
/**
* Set a hash of key/value object properties to all matched elements.
* This serves as the best way to set a large number of properties
* on all matched elements.
*
* @name attr
* @type jQuery
* @param Hash prop A set of key/value pairs to set as object properties.
*/
/**
* Set a single property to a value, on all matched elements.
*
* @name attr
* @type jQuery
* @param String key The name of the property to set.
* @param Object value The value to set the property to.
*/
attr: function( key, value ) {
// Check to see if we're setting style values
return key.constructor != String || value ?
this.each(function(){
// See if we're setting a hash of styles
if ( value == undefined )
// Set all the styles
for ( var prop in key )
jQuery.attr(
type ? this.style : this,
prop, key[prop]
);
// See if we're setting a single key/value style
else
jQuery.attr(this,a,b);
});
jQuery.attr(
type ? this.style : this,
key, value
);
}) :
// Look for the case where we're accessing a style value
jQuery[ type || "attr" ]( this[0], key );
},
html: function(h) {
return h == undefined && this.size() ?
this[0].innerHTML : this.set( "innerHTML", h );
},
val: function(h) {
return h == undefined && this.size() ?
this[0].value : this.set( "value", h );
/**
* Access a style property on the first matched element.
* This method makes it easy to retreive a style property value
* from the first matched element.
*
* @name css
* @type Object
* @param String name The name of the property to access.
*/
/**
* Set a hash of key/value style properties to all matched elements.
* This serves as the best way to set a large number of style properties
* on all matched elements.
*
* @name css
* @type jQuery
* @param Hash prop A set of key/value pairs to set as style properties.
*/
/**
* Set a single style property to a value, on all matched elements.
*
* @name css
* @type jQuery
* @param String key The name of the property to set.
* @param Object value The value to set the property to.
*/
css: function( key, value ) {
return this.attr( key, value, "css" );
},
/**
* Retreive the text contents of all matched elements. The result is
* a string that contains the combined text contents of all matched
* elements. This method works on both HTML and XML documents.
*
* @name text
* @type String
*/
text: function(e) {
e = e || this;
var t = "";
@ -148,65 +279,16 @@ jQuery.fn = jQuery.prototype = {
return t;
},
css: function(a,b) {
return a.constructor != String || b ?
this.each(function(){
if ( b === undefined )
for ( var j in a )
jQuery.attr(this.style,j,a[j]);
else
jQuery.attr(this.style,a,b);
}) : jQuery.css( this[0], a );
},
toggle: function() {
return this.each(function(){
var d = jQuery.css(this,"display");
if ( !d || d == "none" )
$(this).show();
else
$(this).hide();
});
},
show: function() {
return this.each(function(){
this.style.display = this.oldblock ? this.oldblock : "";
if ( jQuery.css(this,"display") == "none" )
this.style.display = "block";
});
},
hide: function() {
return this.each(function(){
this.oldblock = jQuery.css(this,"display");
if ( this.oldblock == "none" )
this.oldblock = "block";
this.style.display = "none";
});
},
addClass: function(c) {
return this.each(function(){
jQuery.className.add(this,c);
});
},
removeClass: function(c) {
return this.each(function(){
jQuery.className.remove(this,c);
});
},
toggleClass: function(c) {
return this.each(function(){
if (jQuery.hasWord(this,c))
jQuery.className.remove(this,c);
else
jQuery.className.add(this,c);
});
},
remove: function() {
return this.each(function(){
this.parentNode.removeChild( this );
});
},
/**
* Set a single style property to a value, on all matched elements.
*
* @name wrap
* @type jQuery
* @any String html A string of HTML, that will be created on the fly and wrapped around the target.
* @any Element elem A DOM element that will be wrapped.
* @any Array<Element> elems An array of elements, the first of which will be wrapped.
* @any Object
*/
wrap: function() {
var a = jQuery.clean(arguments);
return this.each(function(){
@ -219,68 +301,64 @@ jQuery.fn = jQuery.prototype = {
},
append: function() {
var clone = this.size() > 1;
var a = jQuery.clean(arguments);
return this.domManip(function(){
for ( var i = 0; i < a.length; i++ )
this.appendChild( clone ? a[i].cloneNode(true) : a[i] );
});
},
appendTo: function() {
var a = arguments;
return this.each(function(){
for ( var i = 0; i < a.length; i++ )
$(a[i]).append( this );
return this.domManip(arguments, true, 1, function(a){
this.appendChild( 1 );
});
},
prepend: function() {
var clone = this.size() > 1;
var a = jQuery.clean(arguments);
return this.domManip(function(){
for ( var i = a.length - 1; i >= 0; i-- )
this.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.firstChild );
return this.domManip(arguments, true, -1, function(a){
this.insertBefore( a, this.firstChild );
});
},
before: function() {
var clone = this.size() > 1;
var a = jQuery.clean(arguments);
return this.each(function(){
for ( var i = 0; i < a.length; i++ )
this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this );
return this.domManip(arguments, false, 1, function(a){
this.parentNode.insertBefore( a, this );
});
},
after: function() {
return this.domManip(arguments, false, -1, function(a){
this.parentNode.insertBefore( a, this.nextSibling );
});
},
/**
* A wrapper function for each() to be used by append and prepend.
* Handles cases where you're trying to modify the inner contents of
* a table, when you actually need to work with the tbody.
*
* @private
* @member jQuery
* @param {Function} fn The function doing the DOM manipulation.
* @type jQuery
*/
domManip: function(args, table, dir, fn){
var clone = this.size() > 1;
var a = jQuery.clean(arguments);
return this.each(function(){
for ( var i = a.length - 1; i >= 0; i-- )
this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.nextSibling );
});
},
var a = jQuery.clean(args);
empty: function() {
return this.each(function(){
while ( this.firstChild )
this.removeChild( this.firstChild );
});
},
var obj = this;
bind: function(t,f) {
return this.each(function(){jQuery.event.add(this,t,f);});
},
unbind: function(t,f) {
return this.each(function(){jQuery.event.remove(this,t,f);});
},
trigger: function(t) {
return this.each(function(){jQuery.event.trigger(this,t);});
if ( table && this.nodeName == "TABLE" ) {
var tbody = this.getElementsByTagName("tbody");
if ( !tbody.length ) {
obj = document.createElement("tbody");
this.appendChild( obj );
} else
obj = tbody[0];
}
for ( var i = ( dir < 0 ? a.length - 1 : 0 );
i != ( dir < 0 ? dir : a.length ); i += dir )
fn.apply( obj, [ a[i] ] );
});
},
pushStack: function(a,args) {
var fn = args[args.length-1];
var fn = args && args[args.length-1];
if ( !fn || fn.constructor != Function ) {
if ( !this.stack ) this.stack = [];
@ -303,40 +381,21 @@ jQuery.fn = jQuery.prototype = {
},
find: function(t) {
return this.pushStack( $.map( this, function(a){
return this.pushStack( jQuery.map( this, function(a){
return jQuery.Select(t,a);
}), arguments );
},
parent: function(a) {
var ret = jQuery.map(this,"a.parentNode");
if ( a ) ret = jQuery.filter(a,ret).r;
return this.pushStack( ret, arguments );
},
parents: function(a) {
var ret = jQuery.map(this,jQuery.parents);
if ( a ) ret = jQuery.filter(a,ret).r;
return this.pushStack( ret, arguments );
},
siblings: function(a) {
// Incorrect, need to exclude current element
var ret = jQuery.map(this,jQuery.sibling);
if ( a ) ret = jQuery.filter(a,ret).r;
return this.pushStack( ret, arguments );
},
filter: function(t) {
if ( /,/.test(t) ) {
var p = t.split(/\s*,\s*/);
return this.pushStack( $.map(this,function(a){
for ( var i = 0; i < p.length; i++ )
if ( jQuery.filter(p[i],[a]).r.length )
return t.constructor == Array ?
// Multi Filtering
this.pushStack( jQuery.map(this,function(a){
for ( var i = 0; i < t.length; i++ )
if ( jQuery.filter(t[i],[a]).r.length )
return a;
}), arguments );
} else
return this.pushStack( jQuery.filter(t,this).r, arguments );
}), arguments ) :
this.pushStack( jQuery.filter(t,this).r, arguments );
},
not: function(t) {
return this.pushStack( t.constructor == String ?
@ -359,62 +418,6 @@ jQuery.fn = jQuery.prototype = {
*/
is: function(expr) {
return jQuery.filter(expr,this).r.length > 0;
},
/**
* A wrapper function for each() to be used by append and prepend.
* Handles cases where you're trying to modify the inner contents of
* a table, when you actually need to work with the tbody.
*
* @private
* @member jQuery
* @param {Function} fn The function doing the DOM manipulation.
* @type jQuery
*/
domManip: function(fn){
return this.each(function(){
var obj = this;
if ( this.nodeName == "TABLE" ) {
var tbody = this.getElementsByTagName("tbody");
if ( !tbody.length ) {
obj = document.createElement("tbody");
this.appendChild( obj );
} else
obj = tbody[0];
}
fn.apply( obj );
});
}
};
/**
* Similar to the Prototype $A() function, only it allows you to
* forcefully pass array-like structures into $().
*/
jQuery.A = function(a){
// Create a temporary, clean, array
var r = [];
// and copy the old array contents over to it
for ( var i = 0; i < a.length; i++ )
r.push( a[i] );
// Return the sane jQuery object
return $(r);
};
jQuery.className = {
add: function(o,c){
if (jQuery.hasWord(o,c)) return;
o.className += ( o.className ? " " : "" ) + c;
},
remove: function(o,c){
o.className = !c ? "" :
o.className.replace(
new RegExp("(^|\\s*\\b[^-])"+c+"($|\\b(?=[^-]))", "g"), "");
}
};
@ -431,8 +434,128 @@ jQuery.className = {
// Check to see if the W3C box model is being used
jQuery.boxModel = ( jQuery.browser != "msie" || document.compatMode == "CSS1Compat" );
var axis = {
parent: "a.parentNode",
parents: jQuery.parents,
ancestors: jQuery.parents,
next: "a.nextSibling",
prev: "a.previousSibling",
siblings: jQuery.sibling
};
for ( var i in axis ) {(function(){
var t = axis[i];
jQuery.fn[ i ] = function(a) {
var ret = jQuery.map(this,t);
if ( a ) ret = jQuery.filter(a,ret).r;
return this.pushStack( ret, arguments );
};
})();}
var to = "html,append,prepend,before,after".split(',');
for ( var i = 0; i < to.length; i++ ) {(function(){
var n = to[i];
jQuery.fn[ n + "To" ] = function(){
var a = arguments;
return this.each(function(){
for ( var i = 0; i < a.length; i++ )
$(a[i])[n]( this );
});
};
})();}
var each = {
show: function(){
this.style.display = this.oldblock ? this.oldblock : "";
if ( jQuery.css(this,"display") == "none" )
this.style.display = "block";
},
hide: function(){
this.oldblock = jQuery.css(this,"display");
if ( this.oldblock == "none" )
this.oldblock = "block";
this.style.display = "none";
},
toggle: function(){
var d = jQuery.css(this,"display");
$(this)[ !d || d == "none" ? 'show' : 'hide' ]();
},
addClass: function(c){
jQuery.className.add(this,c);
},
removeClass: function(c){
jQuery.className.remove(this,c);
},
toggleClass: function( c ){
jQuery.className[ jQuery.hasWord(this,a) ? 'remove' : 'add' ](this,c);
},
remove: function(){
this.parentNode.removeChild( this );
},
empty: function(){
while ( this.firstChild )
this.removeChild( this.firstChild );
},
bind: function( type, fn ) {
jQuery.event.add( this, type, fn );
},
unbind: function( type, fn ) {
jQuery.event.remove( this, type, fn );
},
trigger: function( type ) {
jQuery.event.trigger( this, type );
},
};
for ( var i in each ) {(function(){
var n = each[i];
jQuery.fn[ i ] = function(a,b) {
var a = arguments;
return this.each(function(){
n.apply( this, a );
});
};
})();}
var attr = {
val: 'value',
html: 'innerHTML'
};
for ( var i in attr ) {(function(){
var n = attr[i];
jQuery.fn[ i ] = function(h) {
return h == undefined && this.length ?
this[0][n] : this.set( n, h );
};
})();}
})();
jQuery.className = {
add: function(o,c){
if (jQuery.hasWord(o,c)) return;
o.className += ( o.className ? " " : "" ) + c;
},
remove: function(o,c){
o.className = !c ? "" :
o.className.replace(
new RegExp("(^|\\s*\\b[^-])"+c+"($|\\b(?=[^-]))", "g"), "");
}
};
$.swap = function(e,o,f) {
for ( var i in o ) {
e.style["old"+i] = e.style[i];
@ -771,15 +894,14 @@ jQuery.sibling = function(a,n,e) {
type.n = type.length - 1;
}
if ( e ) n = type.length - n - 1;
type.cur = ( type[n] == a );
type.prev = ( type.n > 0 ? type[type.n - 1] : null );
type.next = ( type.n < type.length - 1 ? type[type.n + 1] : null );
type.cur = type[n] == a;
type.next = type[type.n + 1];
return type;
};
jQuery.hasWord = function(e,a) {
if ( e == undefined ) return;
if ( e.className ) e = e.className;
if ( e.className )
e = e.className;
return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e);
};