Hoisting Meaning: Definition, Examples, and Translations
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hoisting
[ˈhɔɪstɪŋ ]
Definitions
programming
Hoisting is a behavior in JavaScript where variable and function declarations are moved to the top of their containing scope during the compilation phase. This allows you to use a variable or function before it has been declared in your code.
Examples of usage
- Hoisting allows you to call a function before it has been defined.
- In JavaScript, variables can be used before they are declared thanks to hoisting.
general
Hoisting can also refer to the practice of raising or lifting something up, often with a hoist or pulley system.
Examples of usage
- The workers used a hoisting mechanism to lift the heavy equipment onto the roof.
- The hoisting of the flag signaled the start of the event.
Translations
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Origin of 'hoisting'
The term 'hoisting' in programming originated from the concept of physically hoisting something up, like a flag or heavy object. In JavaScript, hoisting was introduced to handle variable and function declarations in a way that allows for flexibility in coding. The idea of hoisting has become a fundamental aspect of understanding how JavaScript code is executed.
See also: hoist.