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The conditional operator of JavaScript is compatible with the following browsers: Chrome, Edge, Firefox (1), Internet Explorer, Opera, Safari, Android webview, Chrome for Android, Edge Mobile, Firefox for Android (4), Opera for Android, Safari on IOS, Samsung Internet, Node.js. [5]
In dynamic languages like JavaScript, linters such as ESLint can warn on assignment inside a conditional. [12] Python 3.8 introduced assignment expressions, but uses the walrus operator := instead of a regular equal sign (=) to avoid bugs which simply confuse == with =. [13]
If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
SICP has been influential in computer science education, and several later books have been inspired by its style. Structure and Interpretation of Classical Mechanics (SICM), another book that uses Scheme as an instructional element, by Gerald Jay Sussman and Jack Wisdom; Software Design for Flexibility, by Chris Hanson and Gerald Jay Sussman
Software developer Katrina Owen created Exercism while she was teaching programming at Jumpstart Labs. [6] The platform was developed as an internal tool to solve the problem of her own students not receiving feedback on the coding problems they were practicing.
first checks whether x is less than 5, which it is, so then the {loop body} is entered, where the printf function is run and x is incremented by 1. After completing all the statements in the loop body, the condition, (x < 5), is checked again, and the loop is executed again, this process repeating until the variable x has the value 5.
indentation, as in Python s-expressions with a syntactic keyword such as prog or let (as in the Lisp family) In 1968 (with ALGOL 68 ), then in Edsger W. Dijkstra 's 1974 Guarded Command Language the conditional and iterative code block are alternatively terminated with the block reserved word reversed : e.g. if ~ then ~ elif ~ else ~ fi , case ...
The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...