Why do we use void 0 in Javascript?

Sommario:

1. Why do we use void 0 in Javascript?
2. What does JavaScript void do?
3. How do I fix my JavaScript?
4. What is JavaScript void?
5. What does 0 mean in Javascript?
6. How do I check my JavaScript?

Why do we use void 0 in Javascript?

Usage of javascript:void(0) means that the author of the HTML is misusing the anchor element in place of the button element. Anchor tags are often abused with the onclick event to create pseudo-buttons by setting href to "#" or "javascript:void(0)" to prevent the page from refreshing.

What does JavaScript void do?

void is an important keyword in JavaScript which can be used as a unary operator that appears before its single operand, which may be of any type. This operator specifies an expression to be evaluated without returning a value.

How do I fix my JavaScript?

1:122:57HOW TO FIX JAVASCRIPT ERRORS THE WASY WAY - YouTubeYouTube

What is JavaScript void?

void is an important keyword in JavaScript which can be used as a unary operator that appears before its single operand, which may be of any type. This operator specifies an expression to be evaluated without returning a value.

What does 0 mean in Javascript?

In JavaScript “0” is equal to false because “0” is of type string but when it tested for equality the automatic type conversion of JavaScript comes into effect and converts the “0” to its numeric value which is 0 and as we know 0 represents false value. So, “0” equals to false.

How do I check my JavaScript?

1. On web browser menu click "Tools" icon and select "Internet Options".
2. In the "Internet Options" window select the "Security" tab.
3. On the "Security" tab click on the "Custom level..." button.
4. When the "Security Settings - Internet Zone" dialog window opens, look for the "Scripting" section.