Jan 21, 2026 · The eval () function evaluates JavaScript code represented as a string and returns its completion value. The source is parsed as a script.

Description The eval() method evaluates or executes an argument. If the argument is an expression, eval() evaluates the expression. If the argument is one or more JavaScript statements, eval() …

Jul 23, 2025 · Python eval function comes with the facility of explicitly passing a list of functions or variables that it can access. We need to pass it as an argument in the form of a dictionary.

Using eval() is a security hole. If you need to convert strings to other formats, try to use things that do that, like int(). You mean using eval with input() is a security hole. Don't put input() inside an eval …

Python’s eval() allows you to evaluate arbitrary Python expressions from a string-based or compiled-code-based input. This function can be handy when you’re trying to dynamically evaluate Python …

Sep 25, 2019 · Rarely used in modern JavaScript, as there’s usually no need. Can access outer local variables. That’s considered bad practice. Instead, to eval the code in the global scope, use …

Aug 24, 2025 · Eval means evaluate, as the name suggests, the eval () function in JavaScript is used to evaluate or parse a sequence of statements or a JavaScript expression inside a string and return the …

Sep 7, 2025 · Short for evaluate, eval is a function in different interpreted and compiled programming languages. This function can have many abilities depending on your programming language.

In some programming languages, eval, short for evaluate, is a function which evaluates a string as though it were an expression in the language, and returns a result; in others, it executes multiple …

Learn what is eval function in JavaScript. eval () is a global function in JavaScript that evaluates specified string as JavaScript code and executes it.