Apr 23, 2010 · You're missing a declaration of the Page_IsValid variable. I'm guessing that it's a local variable set inside of Page_ClientValidate, which isn't in scope in this function? You should probably …

Jun 26, 2023 · To fix the JavaScript expected error, it’s important to understand why it happens. This error occurs when the code expects to find a specific value or expression but instead encounters …

Learn how to troubleshoot and fix the 'Expression Expected' error in your code with expert tips and examples.

Aug 26, 2022 · Just started learning javascript - may i enquire why does the following code end up having the if highlighted (of which when i hover over it at vscode it says 'expression expected'?

Jul 8, 2025 · An expression statement is an expression used in a place where a statement is expected. The expression is evaluated and its result is discarded — therefore, it makes sense only for …

May 26, 2017 · I had the error expression expected reported by Webstorm when editing a Node.js program. In this case the solution is to set the language version to a version that supports this feature.

Mar 27, 2021 · I'm getting the error of 'Error Expected' on both the opening and closing ejs tags. I was wondering why this error occurs and if there was anything I'm doing that isn't allowed.

May 30, 2019 · I encountered VSCode error "Expression expected. ts (1009)" while opening one of the reactjs file. do and if were highlighted red. But I can run the code in my local development …

Jul 16, 2018 · Inside of a conditional (ternary) operator ?:, only expressions are allowed, no statements. You could use Array#every and check every value at the same index of both arrays.

Sep 28, 2020 · In that code, the {...} isn't a JSX expression, it's a JavaScript block. The result of a JavaScript block isn't written to the page. The only time {...} is a JSX expression is when you're in a …