javascript true or false

7 JavaScript interview questions for true and false javascript questions The following seven JavaScript interview questions should be asked before the interview. Otherwise, your time may be wasted.1. What are the two methods for creating JavaScript

7 JavaScript interview questions for true and false javascript questions The following seven JavaScript interview questions should be asked before the interview. Otherwise, your time may be wasted.1. What are the two methods for creating JavaScript

Today, we encounter a problem, do the following code return TRUE or False? Please explain whyConsole.log ([] = =![])Ran in the browser and found the result to be true. Why is that? Then found the relevant information.In JavaScript 0, "", NULL,

The usage and difference between return, return true, return false in javascript. 1. syntax and Return Method ① Return control and function results Syntax: return expression; Statement result function execution, return the call function, and return

I have nothing to do today. I have studied the relationship between "null" and "0. I hope you will get something better after reading it. I hope you will also enjoy the benefits of writing code without stopping, writing JavaScript, and very little

1 false // true 2 false // true 3 // falseThe above code is the result of JS actual operation. So in js, = = is not reliable, because JS will automatically convert the type.This is not the focus of this essay.Here's the key. How to make a very

In most cases, false is returned for the event handler to prevent the default event behavior. For example, by clicking on a element by default, the page jumps to the page specified by the href attribute of the element.Return False equals the

In IE6, setting the background image will not be actually cached. Even if the server has a cache, If You Want To cache the image, only the Pixy method will flash when it is affected by the cache bug of IE. In fact, this problem is not clearly stated,

Absrtact: The main purpose of this article is to help me to comb the context of JavaScript learning and use, most of it is only the collation of learning content, rather than original, I will post a reference link at the end of the article.6 of the

In our lives, we are constantly writing code, writing JavaScript, and seldom have time to do conceptual research. I am not busy today. I have studied the relationship between "null" and "0. I hope you will get some results after reading this article.