Sep 17, 2014 · self.renderViewContent(function(partnerId) { return typeof partnerId !== "undefined" ? "myText1" : "myText2"; }, view, { myAttr1: myModel.get("attr").toJSON() });

Dec 29, 2012 · I am trying to create a simple function that will return the correct string when called: function getState(abbr){ if (abbr=="WY") { return "Wyoming"; } } and then the call is like this...

Jan 3, 2017 · It works using the build in indexOf function, which usually returns the index of a specific string (in this case only a char) inside the string the function is used as a method of. However, the function returns -1 if the char isn't found in …

Use the else statement to specify a block of code to be executed if the condition is false. If the hour is less than 18, create a "Good day" greeting, otherwise "Good evening": The result of greeting will be: Use the else if statement to specify a new condition if the first condition is false.

Comparison and Logical operators are used to test for true or false. Comparison operators are used in logical statements to determine equality or difference between variables or values. Given that x = 5, the table below explains the comparison operators:

Oct 26, 2024 · The if statement is the backbone of JavaScript conditional logic – a way for code to execute selectively based on a provided test condition. Here is the basic JavaScript if syntax: if (condition) { // code block executes if condition passes } Let‘s see a real example: let age = 19; if (age >= 18) { console.log("User can sign up for account.");

Sep 16, 2018 · In formal logic, only a few operators exist: negation, conjunction, disjunction, implication, and bicondition. Each of these has a JavaScript equivalent: !, &&, ||, if (/* condition */) { /* then consequence */}, and ===, respectively. These operators create all …

Dec 16, 2024 · Use AND (&&) when you want an action performed only when all conditions are met. For example, submitting a form only when all fields are valid. The OR operator returns true if any of the conditions is true: console.log(‘At least one condition is true‘); . console.log(‘Both conditions are false‘);

Nov 22, 2016 · What does it mean to have expressions with logical operators passed as an argument to a function?! For example: myFunc(expr_1 || expr_2 || expr_3); Is it equivalent to the following?!: var expr_all = expr_1 || expr_2 || expr_3; myFunc(expr_all);

Dec 12, 2024 · Logical operators are special symbols or keywords used to connect two or more conditions. The most common logical operators in JavaScript are: && (Logical AND) - Returns true if both operands are true. Otherwise, it returns false. || (Logical OR) - Returns true if at least one of the operands is true. If both are false, it returns false.