The if an ifelse statements accept a single condition and execute the if or else block accordingly based. I see this kinda short hand format use for null/undefined checking like: const avatarName user.firstname user.firstname : user. Introduction to the JavaScript if else if statement. Here is my controller code const sendotps = async (req, res) => ' AND is_registered='1'` Ĭonst = await pool. If you want to shorten if/else you can use : operator as: condition action-on-true : action-on-false(else) For instance: let gender isMale 'Male' : 'Female' In this case else part is mandatory. ![]() If the resulting value is true, the given statementBlock in the 'if' block, are executed. In the above syntax, the if statement evaluates the conditionExpression inside parenthesis. JavaScript if-else-if ladder statement: Here, a user can decide among multiple options.The if statements are executed from the top down. The else if statement is used between the if and else statement, where else is not mandatory. When we have to implement multiple conditions in our script then we can use the if, else if and else statements in our code. Therefore, your else if will never be called, because if a.checked & b.checked is true, then a.checked b.checked will always be true as well, and the if will be executed before the else if is even checked. ![]() ![]() ![]() It means or in the sense that either the left or the right expression is true - or both. I am working on Nodejs and using "express js",Right now i am getting list of users (in console.log) and now i want to pass this data to "model" but in console.log showing me "undefined",How can i solve this ? The else statement is to specify a block of code to be executed, if the condition in the if statement is false. JavaScript else if statement is used along with the if statement to define multiple different conditions and code blocks. I think the problem is that you are getting the meaning of wrong.
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