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General Discussion

Posted by Douglas Watts
Douglas Watts
5,464 Points

Browsers Won't Open

I am following along with the lessons in "Intro To Programming" and with this code:

<!DOCTYPE html>
    <html lang="en">
        <head>
            <title>Introduction To Programming</title>
            <style>
                html {
                    background:#fafafa;
                    font-family:sans-serif;
                }
            </style>
            <script src="myscript.js"></script>
        </head>
        <body>
            <h1>Introduction To Programming</h1>
            <h2>With Javascript</h2>
        </body>
    </html>


//Do a couple of console.logs
console.log("Hello from my script.js");
console.log("Hello again!"); //This is not needed
/*
var name = prompt("What is your name?");
alert("Hello " + name);

name = "Nick";
console.log("The user's name is " + name);
*/

/*
console.log("Before");

var name = prompt("What is your name");

if ("") {
    console.log("If block");
}else {
    console.log("Else block");
}

console.log("After");
*/

console.log("Before");


while(true) {
    console.log('Hello World!');
}

console.log("After");

I get a "Warning: Unresponsive Script " in Firefox and Google Chrome won't even open.

Both files are in the same folder,,,any help?

2 Answers

Ryan Duchene
PLUS
Ryan Duchene
Courses Plus Student 46,022 Points
Ryan Duchene
Ryan Duchene
Courses Plus Student 46,022 Points

You're running an infinite loop:

while ( true ) {
    console.log( 'Hello World!' );
}

That loop will run as long as true evaluates to true, which is infinity. It will cause your browser to become unresponsive. Apparently, browsers have gotten smart enough to avoid things like that.

Try taking out that section of code and opening it again.

Ryan Duchene
Ryan Duchene
Courses Plus Student 46,022 Points

In case you're wondering why your browser did that, it's only to protect you. It can't tell the difference between a script you wrote and a script someone else wrote and you downloaded and tried to open by mistake. It only knows that you're trying to open something that could do some damage. So it doesn't allow you to open it.

Douglas Watts
Douglas Watts
5,464 Points
Douglas Watts
Douglas Watts
5,464 Points

Thanks, that's a great answer....quick too!!