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algo sucede cuando agrego .value en diferentes ubicaciones

así que traté de agregar .value en dos ubicaciones diferentes y me gustaría saber por qué

Código HTML :

 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta http-equiv="X-UA-Compatible" content="ie=edge" /> <link rel="stylesheet" href="style.css" /> <title>Guess My Number!</title> </head> <body> <header> <h1>Guess My Number!</h1> <p class="between">(Between 1 and 20)</p> <button class="btn again">Again!</button> <div class="number">?</div> </header> <main> <input type="number" class="guess" name="number" /> <button class="btn check">Check!</button> <script src="script.js"></script> </body> </html>

codigo javascript 1:

 var input = document.querySelector(".guess").value const check = document.querySelector(".check") const message = document.querySelector(".message") var score = document.querySelector('.score') var highScore = document.querySelector('.highscore') check.addEventListener("click", function(){ console.log(input) })

resultado: no registrará el valor de la entrada

codigo javascript 2:

 var input = document.querySelector(".guess") const check = document.querySelector(".check") const message = document.querySelector(".message") var score = document.querySelector('.score') var highScore = document.querySelector('.highscore') check.addEventListener("click", function(){ console.log(input.value) })

resultado: registrará el valor de la entrada

about 4 years ago · Juan Pablo Isaza
1 answers
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En el primer caso, obtiene el valor cuando se carga la página, en el segundo, cuando hace clic en el botón, obtiene el valor nuevamente, actualizado desde la entrada

about 4 years ago · Juan Pablo Isaza Report
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