html - Trigger javascript action on click? -


i want trigger javascript code when button clicked. want when button clicked console.log() triggered. attempt:

corel.html :

<!doctype html> <html> <head>     <title>corelation</title>     <script src="jquery-1.11.3.min.js"></script>             <script type="text/javascript" src="corel.js"></script> </head> <body>  <form id="tablevar">   variable 1: <input type="text" id="var1"><br>   variable 2: <input type="text" id="var2"><br>   <button onclick="myfunction()">click me</button>  <!-- type button not refresh --> </form>  </body> </html>

corel.js :

console.log("iniating app ..."); function myfunction() {     console.log('yeah'); }

i not understand not work ?

the button making form submit hence need use preventdefault()

see demo

use code,

html

<!doctype html> <html> <head>     <title>corelation</title>     <script src="jquery-1.11.3.min.js"></script>             <script type="text/javascript" src="corel.js"></script> </head> <body>  <form id="tablevar">     variable 1: <input type="text" id="var1"><br>     variable 2: <input type="text" id="var2"><br>     <button onclick="myfunction(event)">click me</button>  <!-- type button not refresh --> </form>  </body> </html>

corel.js

console.log("iniating app ..."); function myfunction(event) {     console.log('yeah');     event.preventdefault(); }

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