javascript - Change event handler firing only once, jQuery -


i'm trying execute code when select element in dropdown menu. i'm using jquery's change(). problem once execute function first time. not respond other selected items (aka other changes). made test block @ bottom , code fire on every change. doing wrong in first change code?

jsfiddle: http://jsfiddle.net/nysteve/qhuml/#base

side question; noticed when ask question , select answer, of them appear on profile , questions not though selected answer. take time them register?

function timetohexcolor() {     var color = math.floor(math.random() * 999999);     if (color >= 0 && color <= 9 || color >= 1000 && color <= 9999) {         color = "#00" + color;     } else if (color >= 10 && color <= 99 || color >= 10000 && color <= 99999) {         color = "#0" + color;     } else if (color >= 100 && color <= 999) {         color = "#000" + color;     } else if (color > 999999) {         color = "#" + (color - 1);     } else {         color = "#" + color;     }     document.getelementbyid("container").innerhtml +=          "<div  style='border:solid 1px white;color:white;background-color:" + color + ";'>" + color + "</div>"; }  function colors(interval) {     this.interval = interval;     switch (this.interval) {         case 'second':             document.getelementbyid('options').disabled = true;             x = setinterval(timetohexcolor, 1000);             settimeout(stopcolors, 10000);             break;         case 'minute':             x = setinterval(timetohexcolor, 60000);             document.getelementbyid('options').disabled = true;             break;         case 'hour':             x = setinterval(timetohexcolor, 60000 * 60);             document.getelementbyid('options').disabled = true;             break;         case 'day':             x = setinterval(timetohexcolor, 1000);             document.getelementbyid('options').disabled = true;             settimeout(stopcolors, 10000);             break;         default:             alert(this.interval + " not valid interval option");             break;     } }  function stopcolors() {     clearinterval(x);     document.getelementbyid('options').disabled = false;  }  $("#options").prop('selectedindex', -1); //this fire once , that's it. process getting halted? $("#options").change(function () {     colors($("#options").val()); });   // test  fire on change every time. $("#x").change(function () {     alert($("#x").val()); });

i'm not sure why document.getelementbyid interfering clear interval , causing jquery unresponsive.

document.getelementbyid("container").innerhtml +=      "<div  style='border:solid 1px white;color:white;background-color:" + color + ";'>" + color + "</div>";

if append using jquery instead don't have problem.

 $("#container").append("<div  style='border:solid 1px white;color:white;background-color:" + color + ";'>" + color + "</div>");

i added 100 miliseconds set timeout function run ten times instead of 9.

 settimeout(stopcolors, 10100);

check out fiddle

http://jsfiddle.net/qhuml/50/


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