Uncaught SyntaxError: Unexpected token ( while running JS function

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While debugging an issue I executed the following in console of chrome browser

function(){ console.log('hi') }

I am getting following error

Uncaught SyntaxError: Unexpected token (

Could you please explain why is it returning error? It should print the value 'hi'. Thanks

Do this, you have made a function which is not called or assigned .Name the function and call it.

function a(){ console.log('hi')}
a();

JavaScript Error Handling: Unexpected Token, A deep look at the Unexpected Token Error in JavaScript, including a short are a subset of SyntaxErrors and, thus, will only appear when attempting to 1 var printError = function(error, explicit) { console.log(`[${explicit ? CHROME Uncaught SyntaxError: Unexpected token ) // FIREFOX SyntaxError:  You didn't close the document.ready function properly, it's just closed by a single curly bracket. He suggested you might have notice if you had formatted your code properly. But we can do better than that. In general, when you get a syntax error in JavaScript, try running the entire script through jslint. This may help point you at the cause of the error.

You are using a function expression in a context where the function keyword can only start a function declaration.

And if you want it to actually print anything: You have to call it.

You could make it a function declaration by giving it a name:

function myFunction() {
  console.log('hi')
}

myFunction();

Uncaught SyntaxError: Unexpected token < - JavaScript, Uncaught SyntaxError: Unexpected token < including jquery.js // this script is myapp.js // Get the json data instead of success: function(data){ // do something with the data alert(data); } }); });. In the example above, when the user clicks on a link an ajax request is Don't run to stackoverflow right away. Unexpected Token errors are a subset of SyntaxErrors and, thus, will only appear when attempting to execute code that has an extra (or missing) character in the syntax, different from what JavaScript expects.

you can use anonim call

(function(){ console.log('hi') })()

SyntaxError: Unexpected token, The JavaScript exceptions "unexpected token" occur when a specific rest argument name, got "x" SyntaxError: expected closing parenthesis, got "x" function round(n, upperBound, lowerBound){ if(n > upperBound) || (n  Unexpected token ; Related errors: Expected ), missing ) after argument list. The JavaScript interpreter expected something, but it wasn’t there. Typically caused by mismatched parentheses or brackets. The token in this error can vary – it might say “Unexpected token ]” or “Expected {” etc.

add a name to your function function test() {}

Code Passes but I got "Uncaught SyntaxError: Unexpected token , Code Passes but I got "Uncaught SyntaxError: Unexpected token )" error “​Uncaught SyntaxError: Unexpected token )” here is my code from the script.js: var myFunc = function( param1, param2) { //Begin of anonymous “parameters” are called “formal parameters”, while “arguments” are called “actual parameters”. This is because of ES6 not being supported in some old browsers, it specially affects simulators (or VMs) because they don't get updates. It shouldn't really affect real devices if they have the System WebView(Android 5-6) or Chrome (Android 7-8) up to date.

Uncaught SyntaxError: Unexpected token < · Issue #3378 · sveltejs , after running npm run dev Logs Uncaught SyntaxError: Unexpected token < To okay. when I click the error in console it takes me to the bundle.js file. forEach(n)}function r(t){return"function"==typeof t}function a(t,n){return  Uncaught SyntaxError: Unexpected token < in your Chrome developer’s console tab is often an indication of 301 Redirects that could be caused by having a strange rule in your.htaccess file. What you’re actually seeing is your browser’s reaction to the unexpected top line <!DOCTYPE html> from the server.

Uncaught SyntaxError: Unexpected token < or Uncaught , But when we run the script it gave error as Uncaught SyntaxError: Unexpected token < and Here showAlert is our javascript function name. @tdamour, the FUNCTION talk var myFunc = function( param1, param2) { //Begin of anonymous FUNCTION-BODY //VARIABLE -myFunc- has an -anonymous function- assigned //this -anonymous function- has 2 PARAMETERS param1 and param2 //param1 and param2 PARAMETERS are used //as -local- VARIABLES throughout the FUNCTION-BODY console.log( param1 + " and " + param2 ) ; //End of anonymous FUNCTION-BODY };

TIL Thursday: Troubleshooting 'Uncaught SyntaxError: Unexpected , When developing your own services that send and receive JSON data Uncaught SyntaxError: Unexpected token u in JSON at position 0 post then the chances are you've told the JavaScript processor to run the following: Console log <pre> 28VM434:1 Uncaught SyntaxError: Unexpected token ‘<‘ at m (jquery.min.js:2) at Function.globalEval (jquery.min.js:2) at text script (jquery.min.js:2) at Ut (j…

Comments
  • I'm getting a different error. Also, the above will not print "hi", it will try and define an anonymous function. To display hi, paste console.log('hi')
  • Hi Chris, I understand that if i use console.log('hi') ,I will get hi printed on the screen but i was using data bind on a button and in that i have to use function on the click of a button.