Blame view

node_modules/jquery/src/deprecated.js 2.35 KB
7820380e   “wangming”   1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
  define( [
  	"./core",
  	"./core/nodeName",
  	"./core/camelCase",
  	"./core/toType",
  	"./var/isFunction",
  	"./var/isWindow",
  	"./var/slice",
  
  	"./deprecated/ajax-event-alias",
  	"./deprecated/event"
  ], function( jQuery, nodeName, camelCase, toType, isFunction, isWindow, slice ) {
  
  "use strict";
  
  // Support: Android <=4.0 only
  // Make sure we trim BOM and NBSP
  // Require that the "whitespace run" starts from a non-whitespace
  // to avoid O(N^2) behavior when the engine would try matching "\s+$" at each space position.
  var rtrim = /^[\s\uFEFF\xA0]+|([^\s\uFEFF\xA0])[\s\uFEFF\xA0]+$/g;
  
  // Bind a function to a context, optionally partially applying any
  // arguments.
  // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
  // However, it is not slated for removal any time soon
  jQuery.proxy = function( fn, context ) {
  	var tmp, args, proxy;
  
  	if ( typeof context === "string" ) {
  		tmp = fn[ context ];
  		context = fn;
  		fn = tmp;
  	}
  
  	// Quick check to determine if target is callable, in the spec
  	// this throws a TypeError, but we will just return undefined.
  	if ( !isFunction( fn ) ) {
  		return undefined;
  	}
  
  	// Simulated bind
  	args = slice.call( arguments, 2 );
  	proxy = function() {
  		return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
  	};
  
  	// Set the guid of unique handler to the same of original handler, so it can be removed
  	proxy.guid = fn.guid = fn.guid || jQuery.guid++;
  
  	return proxy;
  };
  
  jQuery.holdReady = function( hold ) {
  	if ( hold ) {
  		jQuery.readyWait++;
  	} else {
  		jQuery.ready( true );
  	}
  };
  jQuery.isArray = Array.isArray;
  jQuery.parseJSON = JSON.parse;
  jQuery.nodeName = nodeName;
  jQuery.isFunction = isFunction;
  jQuery.isWindow = isWindow;
  jQuery.camelCase = camelCase;
  jQuery.type = toType;
  
  jQuery.now = Date.now;
  
  jQuery.isNumeric = function( obj ) {
  
  	// As of jQuery 3.0, isNumeric is limited to
  	// strings and numbers (primitives or objects)
  	// that can be coerced to finite numbers (gh-2662)
  	var type = jQuery.type( obj );
  	return ( type === "number" || type === "string" ) &&
  
  		// parseFloat NaNs numeric-cast false positives ("")
  		// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
  		// subtraction forces infinities to NaN
  		!isNaN( obj - parseFloat( obj ) );
  };
  
  jQuery.trim = function( text ) {
  	return text == null ?
  		"" :
  		( text + "" ).replace( rtrim, "$1" );
  };
  } );