2021年4月11日星期日

How to make "Start" button visible after clicking "Reset" button

I'm making a timer with jQuery. When you press the "Reset" button, it is supposed to make the "Start" button visible again.

I am getting this error:

  • Clicking the "Reset" button: The selector "#reset" does not render the expected css for property "display": expected 'inline-block' to deeply equal 'none'

Here is my html:

<!DOCTYPE html>  <html lang="en">  <head>    <title>Interactivity</title>    <meta charset="utf-8"/>    <link rel="stylesheet" type="text/css" href="styles/site.css"/>    <script src="scripts/jquery-3.2.1.min.js"></script>    <script src="scripts/formatTime.js"></script>    <script src="scripts/times.js"></script>    <script src="scripts/reset.js"></script>  </head>  <body>    <div id="text">      <p>        Can you internally count 45 seconds precisely?      </p>    </div>    <button id="start">Start Timer</button>    <button id="stop" style="display: none;">Stop Timer</button>    <button id="reset" style="display: none;">Reset Timer</button>    <span id="time_started" class="hidden" style="display: none;">Timer Started</span>    <span id="time_ended" class="hidden">Timer Ended</span>  </body>  </html>      

Here is my css:

body {    background-color: white;    font-family: sans-serif;    margin: 200px auto 0;    max-width: 900px;  }    h1 {    text-align: center;  }    div {    margin-bottom: 50px;  }    .hidden {    display: none;  }    

Here is reset.js:

// reset everything  $("#reset").on('click',function() {      $(".results").addClass("hidden");      $("#reset").addClass("hidden");      $("#start").removeClass("hidden");      $("#time_started").addClass("hidden");      $("#time_ended").addClass("hidden");  });  

Here is formatTime.js:

// formats the current date/time so that it reads as hh:mm:ss PM/AM  function formatTime(time) {    var      end_time,          formatted_time,          formatted_end_time,          start_time,      hour = 12,      minute = 10,      second = 10,      meridies;          hour = time.getHours();      if (hour>12) {          hour = hour-12;          meridies = "PM";      } else {          meridies = "AM";      }        minute = time.getMinutes();      if (minute<10) {          minute = "0"+minute;      }        second = time.getSeconds();      if (second<10) {          second = "0"+second;      }        return hour+":"+minute+":"+second+" "+meridies;  }    

Here is times.js:

/* global formatTime: true */  /* Please do not remove the comment above. */    // timer to calculate the starting and stopping clicks  var start_time;  var formatted_time;  var end_time;  var formatted_end_time;  var time_change;    $(document).ready(function() {    $("#start").on('click',function() {      $("#start").hide();      $("#stop").show();      $("#time_started").hide();      $("#time_ended").hide();      end_time = new Date();      start_time = new Date();      formatted_time = formatTime(start_time);    });      $("#stop").on('click',function() {      $("#stop").hide();      $("#reset").show();      $("#time_started").hide();      $("#time_ended").show();      end_time = new Date();      formatted_end_time = formatTime(end_time);      $("body").append("<p class='results'>You started at "+formatted_time+".</p>");      $("body").append("<p class='results'>You finished at "+formatted_end_time+".</p>");      time_change = end_time-start_time;      $("body").append("<p class='results'>You counted "+(time_change/1000)+" seconds.</p>");      $("body").append("<p class='results'>You are off by "+(time_change/1000-45)+" seconds.</p>");    });     });    
https://stackoverflow.com/questions/67051329/how-to-make-start-button-visible-after-clicking-reset-button April 12, 2021 at 08:19AM

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