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¿Por qué mi generador de contraseñas muestra la contraseña antes de hacer clic en el botón?

La función genera, pero lo hace cada vez que actualizo el navegador, intento que cada vez que hago clic en el botón, aparezca la cadena y luego genere una nueva. ¡¡Cualquier ayuda sería apreciada!!

 <body> <button type="button" onclick="generatePassword()">GENERATE</button> <p id="demo"></p> <script> function generatePassword(length = 12) { let generatedPassword = ""; const validChars = "0123456789" + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + ",.-{}+!\"#$%/()=?"; for (let i = 0; i < length; i++) { let randomNumber = crypto.getRandomValues(new Uint32Array(1))[0]; randomNumber = randomNumber / 0x100000000; randomNumber = Math.floor(randomNumber * validChars.length); generatedPassword += validChars[randomNumber]; } return generatedPassword; } document.getElementById("demo").innerHTML = generatePassword(); </script> </body>
about 4 years ago · Juan Pablo Isaza
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Porque estás llamando a generatePassword en el código mismo. Usa esto en su lugar

 <body> <button type="button" onclick="generatePassword()">GENERATE</button> <p id="demo"></p> <script> function generatePassword(length = 12) { let generatedPassword = ""; const validChars = "0123456789" + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + ",.-{}+!\"#$%/()=?"; for (let i = 0; i < length; i++) { let randomNumber = crypto.getRandomValues(new Uint32Array(1))[0]; randomNumber = randomNumber / 0x100000000; randomNumber = Math.floor(randomNumber * validChars.length); generatedPassword += validChars[randomNumber]; } document.getElementById("demo").innerHTML = generatedPassword; } </script> </body>

O incluso mejor, no diga onclick="..." en el elemento mismo:

 <body> <button type="button" id="generateButton">GENERATE</button> <p id="demo"></p> <script> function generatePassword(length = 12) { let generatedPassword = ""; const validChars = "0123456789" + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + ",.-{}+!\"#$%/()=?"; for (let i = 0; i < length; i++) { let randomNumber = crypto.getRandomValues(new Uint32Array(1))[0]; randomNumber = randomNumber / 0x100000000; randomNumber = Math.floor(randomNumber * validChars.length); generatedPassword += validChars[randomNumber]; } return generatedPassword; } document.getElementById("generateButton").addEventListener("click", () => document.getElementById("demo").textContent = generatePassword()); </script> </body>
about 4 years ago · Juan Pablo Isaza Report
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