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Hello I have a function 

Fortune.prototype.entername = function () {
    var person = prompt("Please enter your name", "Harry Potter");
    if (person != null) {
        document.getElementById("demo").innerHTML =
        "Hello " + person + "! Check Your Fortune";
    };
    this.words();
}

I want to call it using button here is my code <p class="dark" id="demo"><button onclick="this.entername()">Click to Enter Name & see your Fortune</button></p>

However it says this.entername() is not a function. Silly mistake I dont know how to call it full js code is here https://jsfiddle.net/e9zywrnt/

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8
  • What do you think this is in the scope of an event handler attribute? Commented Apr 9, 2018 at 19:15
  • @Bergi I get error this.entername is not a function. I dont really know because in this case I am using .prototype in function. Before I just used to enter function name Commented Apr 9, 2018 at 19:17
  • What do you mean by before? It is really unclear how you expect an event handler on a DOM element to access your Fortune instance. Commented Apr 9, 2018 at 19:23
  • @Bergi I just want the Fortune.prototype.entername fnction to run when button is clicked Commented Apr 9, 2018 at 19:27
  • Possible duplicate of JavaScript: bind an object's method to event handler Commented Apr 9, 2018 at 19:29
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