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Differences Between JavaScript and Lua Programming
We know that there’s a huge gap in the popularity and use-cases of JavaScript and Lua. Besides this gap in popularity and use-cases, these languages have many differences at code level.
The following table highlights some of the most notable differences between JavaScript and Lua.
| Key | JavaScript | Lua |
|---|---|---|
| Implicit conversion when comparing | JavaScript does implicit conversion when it is comparing any two objects with either the == or != comparison operators. | Lua doesn’t convert between the types when it uses the comparison operators. |
| Operator precedence | In JavaScript, the ==, ===, != and !== operators are of lower precedence than >, >=, <, <=. | In Lua, all comparison operators are of the same precedence. |
| Operator overloading | In JavaScript, you can’t overload operators. | In Lua, you can overload operators. |
| Manipulating Environment | In JavaScript, you can’t manipulate environments. | In Lua, you can manipulate environments with getfenv and setfenv in Lua 5.1 or _ENV in Lua 5.2 and 5.3. |
| Variadic functions | In JavaScript, all functions are variadic in nature. | In Lua, you need to explicitly declare variadic functions. |
| Different naming operators | In JavaScript, the logical operators are ||, ! and && | In Lua, the same logical operators are written as or, not and and |
| Index Arrays | In JavaScript, the arrays are 0-index based. | In Lua, the arrays are 1-index based. |
| Calling Method Objects | In JavaScript, we call the methods object using the .(dot) operator. | In Lua, we call the methods object using colons not the dot operators. |
Updated on: 2021-07-20T14:08:31+05:30
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