Jun 7, 2011 · Just to clarify the name: ternary is the type of operator (i.e. it has 3 parts). The name of that specific ternary operator is the conditional operator. There just happens to only be one ternary operator in JS so the terms get misused. –

"the condition element of a ternary statement is always evaluated as a Boolean value" Nope, ternary operator checks the truth value of the condition, the value of the expression in the condition is evaluated and returned as it is, it's not converted or evaluated to a boolean. Add

In JavaScript, the + operator has higher precedence than the ?: operator. This means that concatenation will take place before the condition in a ternary is evaluated. This can lead to some strange results. Note: operator associativity and precedence can change between languages.

Jan 17, 2012 · For anyone curious, this works because JS's || operator doesn't return true or false, it returns the first 'truthy' value. Say you have val0 and val1 as undefined , and val2 is 2 , val3 is 3 . val0 || val1 || val2 || val3 will return 2 , as it is the first 'truthy' value.

Nov 7, 2017 · Unlike an if with optional else or optional else if branches, a ternary operator has two and only two branches. It's actually a part of the name. Where + in a + b is a binary operator, that is it has two operands, ? has three, as in a ? b : c, and is termed ternary because of that.

I have been using a ternary operator in JavaScript to modify the value of an object based on user input. I have the following code, which runs as it should: var inputOneAns = inputOne == "Yes" ? "517" : "518"; As you can see, I am assigning a numeric string value to inputOneAnswhether a user has inputed "Yes" or "No". However, there may be a ...

Feb 7, 2018 · This way you can check undefined variable in a ternary operator. ... undefined variables in JavaScript. 1.

Feb 3, 2017 · The operator with the highest precedence is the grouping operation. Here it results in false: step = step || false ? 1 : -1; The next highest precedence is the logical OR operator. step is truthy, so it results in step. step = step ? 1 : -1; Now we …

Mar 10, 2015 · Javascript - Ternary Operator with Multiple Statements. 0. ternary operator in a function. 1. Ternary ...

Jul 20, 2012 · I am trying to use a ternary operator to check if the value of an XML element is null. If it is then I want the variable to be one thing. If not then I would like it to return the value of element. This is what I have so far.