html - Can't call function from body onload (uncaught reference error: start is not defined) javascript -


i have body onload calling function in javascript. have tried many things, console prints error log: uncaught reference error: start not defined. think might malfunction, please notify me if works you. code follows:

<!doctype html>  <html>    <head>      <title>monster invasion</title>      <script type="javascript">        var hur;        var monsters = 10;        var objective = false;        var health = 100;        var damage = 30;        var sheild = false;        var ea = 1;        function start() {          settimeout(hurt,4000)        }        function hurt() {          var newhelth = health - damage;                    health = newhelth;          document.getelementbyid("healtw").innerhtml = health;          start();        }                function kill() {          if(monsters > 0) {          monsters--;          document.getelementbyid("monster1").src="dead.jpg"                    settimeout(next,2000)          }else {            objective = true;            document.location="endoflevel.html";          }                }        function next() {          document.getelementbyid("monster1").src="monster.jpg"                  }        }      </script>    </head>    <body onload="start()">      <p id="healtw"></p>      <embed src="guide_first_level.mp3" type="audio/mp3" hidden="true" autostart="true">      <a id="st" onclick="kill()"><img id="monster1" src="monster.jpg"></a>      <p id="ada"></p>      <a href="sheild.html">activate sheild</a>    </body>  </html>

your script type wrong

try 

<script type="text/javascript"> </script>

but don't need mention script type

just use plain script tag

like 

<script> </script>

one more thing add before end of script tag give }.

just remove it

function next() {    document.getelementbyid("monster1").src="monster.jpg" } } // <-- remove bracket </script>

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