smartthings extend

Today, we study the extend of the extension method of jquery.1.extend (Obj,item1,item2,item3 ...);The implication of this code is that all items, such as SRC1,SCR2, are merged into the Obj object, but there is also a problem so that merging modifies the entire structure of obj.2.var result = $.extend ({},item1,item2,item3 ...);This method skillfully uses the

: var str= "Olive";1) str.substring (3,4);2) str.substring (3,2);Results: 1) "v" 2) 0Note: when substring has two parameters, the first parameter represents the intercept from the beginning of the string, and the second parameter indicates the number of the string to Intercept. This is a C # character intercept a different point, so it will lead to different results.Substr:The method can also have one or two Parameters.L One Parameter:Description: when substr a parameter, the function is the sam

: Var str= "Olive";1) str.substring (3,4);2) str.substring (3,2);Results: 1) "V" 2) 0Note: When substring has two parameters, the first parameter represents the intercept from the beginning of the string, and the second parameter indicates the number of the string to intercept. This is a C # character intercept a different point, so it will lead to different results.SUBSTR:The method can also have one or two parameters.L One parameter:Description: When substr a parameter, the function is the sam

Extend for objects is a common function. For example, javascript does not overload the function, and the parameter type of the function is not defined. Therefore, it is convenient to input an object as a parameter. The default value of the parameter object is usually provided in the function. In this case, the extend is used to overwrite the input parameter to the default parameter, for example: Code: The

How to Use extended method extend in Jquery: jqueryextend During Jquery development, extend is a common parameter processing function, especially for the use of default values. The Extension Method prototype of Jquery is: var v=$.extend(dest,src1,src2,[,src3...]); The function is to merge src1, src2, and src3 into the dest and return the merged dest. However, the

$. Extend () usage summary.JQuery provides two methods for development plug-ins:JQuery. fn. extend (object ); JQuery. extend (object );JQuery. extend (object); adds a new method to the class to extend the jQuery class itself. JQuery. fn.

[Original] 1. Extend the jquery static method. Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> 1 $. Extend ({ 2 Test: Function () {Alert ( ' Test function ' )} 3 }) Usage: $. Test () 2. Merge multiple objects.For jquery. Extend (css1, css2), css1 and css2 have some attribute

$. Extend: a small problem This article records a small problem that I encountered when using $. extend, as well as the cause analysis and solution. It is very practical. If you need it, you can refer to it. I have been working on mobile terminals recently. I am also familiar with jQuery. In addition, Zepto provides the same API as jQuery, so I chose Zepto as the development framework. Because it is mobile

deep copy is what, deep copy is to do the new data and the original data completely non-impact (whether the basic type or reference type);Third, how to make a deep copy?Idea: Recursive call shallow copy method, copy each level of object property; The following is the Extend method of Zepto$.extend =function(target) {varDeep , args= Slice.call (arguments, 1); if(typeoftarget = = ' Boolean ') { deep=Target;

Extend () is an important function in jquery, which is to extend the object, it is often used in the development of the jquery plug-in, and it is used inside jquery to extend the attribute method, as the Noconflict method mentioned in the previous article is extended by the Extend method. In the jquery API manual, w

Jquery. FN. Extend provides an extension mechanism to extend an object through one or more sample objects. If no extended object is specified, it will be extended to itself. Jquery. Extend can also be used through jquery. FN. Extend. It is widely used in jquery to expand a member of a target object. Extension membe

A long time no post, today suddenly analyzed the jquery extend method implementation principle. Objective in order to improve their understanding of jquery, but also want to know how the JavaScript master is how to write JS, if there is insufficient please correct me. Thank you! The following is the Jquery.extend method source code: Copy Code code as follows: Jquery.extend = JQuery.fn.extend = function () { var options, name, SRC, copy,

Understanding jquery's $.extend (), $.fn, and $.fn.extend ()A-A+ Front-end blog ? Front-end development code ? jQuery? 59131View1 Article Directory Jquery.fn Jquery.extend (object) OBJECTJ query.extend (Target, Object1, [objectn]) JQuery.fn.extend (object); JQuery.fn.extend = JQuery.prototype.extend jquery has two methods for developing plug-ins, namely:$.fn.extend ();$.extend