object oriented javascript interview questions

Xiaomi company JavaScript interview questions, Xiaomi javascript Interview Questions I, Copy codeThe Code is as follows:Define such a functionFunction repeat (func, times, wait ){}This function can return a new function, for examp

object. Conversely, when Getfullname () is assigned to the test variable, the context refers to the Global Object (window). This is because test is a property that is implicitly set to the global object. For this reason, the function returns the FullName of the window, that is, the value defined in the first row. Question 5:call () and apply ()Now let you solve

First, the reference Copy Code code as follows: Produces an Array object var items = new Array (' 1 ', ' 2 ', ' 3 '); Causes a reference to point to the object var itemref = items; Items.push (' 4 '); Items and Itemref point to the same object Alert (Items.length = = itemref.length); Modifying an

first line of the code snippet in this case.Question 5: call () and apply () Fix the previous issue and print Aurelio De Rosa from the last console. log.Answer You can use the call () or apply () function to force the context of the function. If you do not know the difference between call () and apply (), I recommend that you read the article function. call and function. apply. Is there a difference between them? . In the following code, I will use call (), but in this case, apply () can also g

first line of the code snippet in this case.Question 5: call () and apply () Fix the previous issue and print Aurelio De Rosa from the last console. log.Answer You can use the call () or apply () function to force the context of the function. If you do not know the difference between call () and apply (), I recommend that you read the article function. call and function. apply. Is there a difference between them? . In the following code, I will use call (), but in this case, apply () can also g

and John Doe. The reason is that in a function, the behavior of this depends on how the JavaScript function is called and how it is defined, not just how it is defined.In the first console.log () call, Getfullname () is called as a function of the Obj.prop object. So, the context refers to the latter, and the function returns the FullName of the object. Converse

Classes in JavaScript are represented by function functions, as follows: Copy Code code as follows: function Student () { Defines a field in the class student and assigns an initial value, but the access rights for this field are public This.studentno = ' s001 '; This.studentname = ' xiaoming '; This.sex = ' Male '; Defines the method Updatestudentname in the class student to modify the Studentname value This.updatestudent

fromRange (3)Print(List (Gen2 ()))#[' A ', ' B ',------] list derivation and generator expressions:(Here is a small story to explain the knowledge points)#in order to show the essence of high-rich handsome, bought 10 tea egg, and they line up and numbered, photos sent to the circle of friendsegg_list=['Tea Egg%s'%i forIinchRange (10)]#List Parsing#but these 10 tea egg can not finish the breath, to eat is also a eat, then eat a picture of itEat=('Tea Egg%s'%i forIinchRange (10))#Builder Express

;Var y = new cls2;Alert (X. );Alert (Y. ); Question 3Function cls1 (){This. A = 1;}Function cls2 (){}VaR x = new cls2;Cls2.prototype. A = 1;Var y = new cls2;Alert (X. );Alert (Y. ); Question 4Function cls1 (){This. A = 1;}Function cls2 (){}VaR x = new cls2;Cls2.prototype. A = 1;Var y = new cls2;Alert (X. );Alert (Y. ); Question 5String. Prototype. Self = function (){Return this;}VaR S = "S ";Alert ("S". Self () = "S ")Alert (S. Self () = s)Alert ("S" = "S ")Alert ("S". Self () = "S". Self ())Ale

are not placed under the sub-domain name, but placed in a separate primary domain name. There is also a reason that the browser for a domain name will have a limit on the number of requests, this method can be convenient to do CDN.What are the states of the readystate of 23.ajax, and what are the meanings respectively?Ajax readystate A total of 5 states, respectively, 0-4, each of which means that the meaning of each number is 0 is not called the Open method, 1 means that the Send method is not

class-To-object exceptionsCPP Exception#include Exception of Class#include #include interview question 1-1 xxOrganize documents separately 0831-Class vs. Object exception/Interview 100 questions 1-100

This article describes how to create an object based on object-oriented JavaScript, interested friends can refer to this in-depth study of JavaScript object-oriented technology. Before

to the current context of the code. if This is not set, the default point is to the global object, which is usually window if an inline function, such as an event listener, is run in a function, This the source code that points to the inline function. For example , When you set a click handler for a button , This references the button within the anonymous function. If the function is a constructor for an

Easy Learning of JavaScript 12: JavaScript Object creation based on object-oriented (1) This time, we will take a deeper look at the JavaScript object-

This article mainly introduces how to create an object based on object-oriented JavaScript, detailed analysis of the object-oriented prototype and other comprehensive methods. If you are interested, refer to the previous section.

To master JavaScript, first of all, we must discard the interference of some other advanced languages such as Java, C #, and other class-oriented Object-oriented thinking, fully understand the features of the original type of JavaScript