javascript - setTimeout callback function not working -


i calling function using onclick inside button. called function inside object , getting called each second using settimeout. callback function not getting called settimeout , works first call.

if not use object , use encapsulating function returns startpomadoro function, working.

     ###html code ##########  <div class="cold-md-12 text-center">             <button>set pomodoro</button>              <input id="pomodoroinput" type="number">             <button>set break</button>              <input id="breakinput" type="number">         </div>         <div class="cold-md-12 text-center"><br>             <button onclick="pomodoroclock.startpomodoro()">start pomodoro</button>          </div>         <div id="output">          </div> ### js code  var pomodoroclock = {     countpomadoro: 0,     countbreak: 0,     currenttimertext:'',      startpomodoro: function(){         var pomadorotimeinminutes = document.getelementbyid('pomodoroinput').value;         var breakinminutes = document.getelementbyid('breakinput').value;         if(this.countpomadoro<pomadorotimeinminutes){             var minutesleftpomadoro = pomadorotimeinminutes - this.countpomadoro;             this.currenttimertext = "your have " + minutesleftpomadoro + " minutes left.";             this.countpomadoro++;             this.displaypomadoro();             settimeout(this.startpomodoro, 1000);          }          else {            if(this.countbreak<breakinmnutes){             var minutesleftbreak = this.breakinminutes - this.countbreak;             currenttimertext = "your have " + minutesleftbreak + " minutes left in break.";             this.countbreak++;             this.displaypomadoro();                 settimeout(this.startpomodoro, 1000);          }             else {                 this.currenttimertext=" break time up. ";                 this.displaypomadoro();             }         }     },     displaypomadoro: function(){         var pomodorohtmlelement = document.createelement('p');         var outputdiv = document.getelementbyid('output');         pomodorohtmlelement.textcontent=this.currenttimertext;         outputdiv.appendchild(pomodorohtmlelement);         } }

you had problem this not being think, when function called settimeout. try this:

var pomodoroclock = {    countpomadoro: 0,    countbreak: 0,    currenttimertext: '',      startpomodoro: function() {      var = this;      var pomadorotimeinminutes = document.getelementbyid('pomodoroinput').value;      var breakinminutes = document.getelementbyid('breakinput').value;      if (this.countpomadoro < pomadorotimeinminutes) {        var minutesleftpomadoro = pomadorotimeinminutes - this.countpomadoro;        that.currenttimertext = "your have " + minutesleftpomadoro + " minutes left.";        that.countpomadoro++;        that.displaypomadoro();        settimeout(function() { that.startpomodoro() }, 1000);      } else {        if (that.countbreak < breakinminutes) {          var minutesleftbreak = that.breakinminutes - that.countbreak;          currenttimertext = "your have " + minutesleftbreak + " minutes left in break.";          that.countbreak++;          that.displaypomadoro();          settimeout(function() { that.startpomodoro() }, 1000);        } else {          that.currenttimertext = " break time up. ";          that.displaypomadoro();        }      }    },    displaypomadoro: function() {      var pomodorohtmlelement = document.createelement('p');      var outputdiv = document.getelementbyid('output');      pomodorohtmlelement.textcontent = this.currenttimertext;      outputdiv.appendchild(pomodorohtmlelement);    }  }
<div class="cold-md-12 text-center">    <button>set pomodoro</button>    <input id="pomodoroinput" type="number">    <button>set break</button>    <input id="breakinput" type="number">  </div>  <div class="cold-md-12 text-center"><br>    <button onclick="pomodoroclock.startpomodoro()">start pomodoro</button>  </div>  <div id="output">  </div>

ps. had typo breakinmnutes instead of breakinminutes.


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