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tweaks...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
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Alex A. Naanou 2023-07-31 10:50:20 +03:00
parent 8c97e3f073
commit 15da478201
1 changed files with 6 additions and 6 deletions
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12
js-types-n-oop.js
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@ -159,22 +159,22 @@
undefined == null // -> true undefined == null // -> true
// But in cases where the same operation is defined for both types // But in cases where the same operation is defined for both types
// the result may seem less predictable, for example `+` defines both // the result may *seem* less predictable, for example `+` defines both
// number addition and string concatenation: // number addition and string concatenation:
1 + 2 // -> 3 1 + 2 // -> 3
'a' + 'b' // -> 'ab' 'a' + 'b' // -> 'ab'
// But when mixed it reverts to constructor: // But when mixed it reverts to concatenation:
1 + '2' // -> '12' 1 + '2' // -> '12'
// This feature can both help make the code simpler and more generic if // This feature can both help make the code simpler and more generic if
// used consciously and at the same time can prove quite frustrating if // used consciously and at the same time can prove quite frustrating if
// neglected. // neglected.
// //
// This neglect and carelessness is the main reason it is quite popular // Note that this neglect and carelessness is the main reason it is quite
// to avoid type coercion and instead overuse strict comparisons and // popular to avoid type coercion and instead overuse strict comparisons
// defensively over-check everything, at times raised to such levels as // and defensively over-check everything, at times raised to such levels
// to define whole languages (like TypeScript) around this. // as to define whole languages around this (like TypeScript).
// Type checking // Type checking