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JS hoisting by example
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| // A (works) | |
| function sayHi() { | |
| console.log('hi!') | |
| } | |
| sayHi() |
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| // B (works) | |
| sayHi() | |
| function sayHi() { | |
| console.log('hi!') | |
| } |
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| // C (works) | |
| var sayHi = function() { | |
| console.log('hi!') | |
| } | |
| sayHi() |
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| // D (does not work) | |
| sayHi() | |
| var sayHi = function() { | |
| console.log('hi!') | |
| } |
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| // E (does not work) | |
| (function sayHi() { | |
| console.log('hi!') | |
| }) | |
| sayHi() |
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| // F (does not work) | |
| sayHi() | |
| (function sayHi() { | |
| console.log('hi!') | |
| }) |
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| // G (works) | |
| (function sayHi() { | |
| console.log('hi!') | |
| })() |
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| // H (works) | |
| (function() { | |
| console.log('hi!') | |
| })() |
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| // I (works) | |
| var sayHi = (function() { | |
| console.log('hi!') | |
| })() |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| // J (works) | |
| var sayHi = (function() { | |
| console.log('hi!') | |
| }) | |
| sayHi() |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| // K (does not work) | |
| sayHi() | |
| var sayHi = (function() { | |
| console.log('hi!') | |
| }) |
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