JavaScriptで数値を整数に変換したいとき、真っ先に parseInt() を思い浮かべる人は多いかもしれません。しかし、ここに大いなる罠が潜んでいます。 なんと、parseInt() に「小さすぎる小数」を渡すと、値が勝手に巨大化して返ってくるのです。 実際の挙動を見 ...
When you want to convert a number to an integer in JavaScript, many people might think of parseInt() first. However, there is a major trap lurking here. Surprisingly, if you pass a 'too small decimal' ...
parseFloat() and parseInt() are two essential methods in JavaScript for converting strings to numbers. These methods are particularly useful when dealing with user input or processing data that comes ...