eval() - JavaScript | MDN - MDN Web Docs
WEBJul 29, 2013 · eval() is a function property of the global object. The argument of the eval() function is a string. It will evaluate the source string as a script body, which means both statements and expressions are allowed. It returns the completion value of the code. For expressions, it's the value the expression evaluates to.
JavaScript eval() Method - W3Schools
WEBThe 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() executes the statements.
Python eval() Function - W3Schools
WEBDefinition and Usage. The eval() function evaluates the specified expression, if the expression is a legal Python statement, it will be executed.
eval - Wikipedia
WEBIn some programming languages, eval, short for the English 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 lines of code as though they had been included instead of the line including the eval.
What does Python's eval() do? - Stack Overflow
WEBeval() evaluates the passed string as a Python expression and returns the result. For example, eval("1 + 1") interprets and executes the expression "1 + 1" and returns the result (2). One reason you might be confused is because the code you cited involves a …
Python eval(): Evaluate Expressions Dynamically – Real Python
WEBPython’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 expressions from any input that comes as a string or a compiled code object.
Python eval() Function with Examples - Python Geeks
WEBThe eval() function is one of the Python built-in functions. The word ‘eval’ can be thought of as a short form for ‘evaluation’, which is the process of finding the output. In this article, you will be learning about the eval() function, its syntax, properties, and uses with examples.
Understanding Python’s eval() Function (With Examples)
WEBAug 23, 2023 · The eval() function in Python is used to evaluate a dynamically provided Python expression or statement stored as a string. It takes a single argument, which is the string to be evaluated, and returns the result of the evaluation. The evaluated expression can be a mathematical operation, a conditional statement, or even a series of function calls.
Eval: run a code string - The Modern JavaScript Tutorial
WEBSep 25, 2019 · Eval: run a code string. The built-in eval function allows to execute a string of code. The syntax is: let result = eval(code); For example: let code = 'alert("Hello")'; eval(code); // Hello. A string of code may be long, contain line breaks, function declarations, variables and so on.
Evaluate Expressions Dynamically With Python eval() (Overview)
WEBThe built-in Python function eval() is used to evaluate Python expressions. You can pass a string containing Python, or a pre-compiled object into eval() and it will run the code and return the result.
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