How to use the if else statement of JavaScript
This article introduces the relevant knowledge of "how to use the if else sentence of JavaScript". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
F...else statement
Use the if... else statement to execute code when the condition is true and other code when the condition is false.
Grammar
If (condition)
{
Code executed when the condition is true
}
Else
{
Code executed when the condition is not true
}
Example
When the time is less than 20: 00:00, a greeting "Goodday" is generated, otherwise a greeting "Goodevening" is generated.
If (time