javascript-interview-question-answer Got to topQuestion-1 :function add(item ,array){ return array.push(item) } const result1 = add('a',['b','c']) console.log(result1); // Answer : 3The push method modifies the original array by adding an element to it and returns the updated ...
# JavaScript interview Question - Create a Array with two papameters without using loop! ## JavaScript - 不用循环, 创建数组 & 数据 https://stackoverflow.com/a/44206718/5934465 > JavaScript问题: 自定义一个函数,接收 m,n 两个整数参数, 返回一个长度为m 的且值都等于n的数组, 不能使用任何js ...
Functional coding interview questions have a nice property: you can show your work by first expressing what you are trying to achieve in plain English, then writing an unit test, and then coding the solution. The result as you can see is almost 1 to 1 mapping from plain Englis...
A list of top frequently asked jQuery interview questions and answers are given below. 1) What is jQuery?jQuery is a fast, lightweight, feature-rich client-side JavaScript library. It is cross-platform and supports different types of browsers. It has provided a much-needed boost to JavaScript...
There's something tricky going on with scope in this JavaScript. Can you guess what will get logged to the console?
1、规避javascript多人开发函数重名 命名空间 封闭空间 js模块化mvc seajs 变量转换成对象的属性 对象化 2、减少页面加载时间的方法 压缩css、js文件 合并js、css文件,减少http请求 外部js、css文件放在底部 减少dom操作,尽可能用变量替代不必要的dom操作
在JavaScript(JS)中,以下类型之间是可以互相转换的: 一、数字(Number)与字符串(String) 数字转字符串: 使用toString()方法。例如: letnum =123;letstr = num.toString(); 使用字符串拼接的方式自动转换。例如:let str = num + ''; 字符串转数字: ...
For more encapsulation interview questions, go to this tutorial: Java Encapsulation Interview Questions and Answers. What is Inheritance in Java? Ans: The technique of creating a new class by using an existing class functionality is called inheritance in Java. In other words,...
Set, List and Map are three important interfaces of the Java collection framework, and the difference between Set, List, and Map in Java is one of the most frequently asked Java Collection interview questions. Sometimes this question is asked as When to use List, Set and Map in Java. ...
An object repository allows testers to accumulate web elements of the application under test (AUT), along with their locator values, in one or more centralized locations as restricted to hard-coding them within the test scripts.Watch this video on Selenium Automation Testing Interview Questions and...