Solution steps: 1. Click "File" - "settings" - "Languages & Frameworks" - "JavaScript" in the menu bar, and change the version to "ECMAScript 6"; 2. In the menu bar Click "File" - "Default Settings" - "Languages & Frameworks" - "JavaScript" and change the version to ES6.
The operating environment of this tutorial: windows7 system, ECMAScript 6&&IntelliJ IDEA 2022 version, Dell G3 computer.
A vuejs project displays a js syntax error in idea
# After investigating the cause of the error, it turns out that it is because IDEA defaults to js syntax verification during js syntax verification. ES5 (ECMAScript 5), which needs to be modified to ES6 in the IDEA settings.
The solution to the unsupported es6 syntax in idea
There are two places to set the javascript version, both of which are changed to es6
First place:
1. In the idea menu bar, click "File"-"settings"
2. In the settings interface, click "Languages & Frameworks" - "JavaScript"
Change the value of the "JavaScript language version" option on the right to "ECMAScript 6" ---Change the JavaScript version to ES6
Second place
In the idea menu bar, click "File"-"Default Settings"->"Languages & Frameworks" ->"JavaScript", just change the version to ES6.
The above is the detailed content of What should I do if the es6 syntax in idea is not supported?. For more information, please follow other related articles on the PHP Chinese website!
CSS: Can I use multiple IDs in the same DOM?May 14, 2025 am 12:20 AMNo,youshouldn'tusemultipleIDsinthesameDOM.1)IDsmustbeuniqueperHTMLspecification,andusingduplicatescancauseinconsistentbrowserbehavior.2)Useclassesforstylingmultipleelements,attributeselectorsfortargetingbyattributes,anddescendantselectorsforstructure
CSS: Is it bad to use ID selector?May 13, 2025 am 12:14 AMUsing ID selectors is not inherently bad in CSS, but should be used with caution. 1) ID selector is suitable for unique elements or JavaScript hooks. 2) For general styles, class selectors should be used as they are more flexible and maintainable. By balancing the use of ID and class, a more robust and efficient CSS architecture can be implemented.
HTML5: Goals in 2024May 13, 2025 am 12:13 AMHTML5'sgoalsin2024focusonrefinementandoptimization,notnewfeatures.1)Enhanceperformanceandefficiencythroughoptimizedrendering.2)Improveaccessibilitywithrefinedattributesandelements.3)Addresssecurityconcerns,particularlyXSS,withwiderCSPadoption.4)Ensur
What are the main areas where HTML5 tried to improve?May 13, 2025 am 12:12 AMHTML5aimedtoimprovewebdevelopmentinfourkeyareas:1)Multimediasupport,2)Semanticstructure,3)Formcapabilities,and4)Offlineandstorageoptions.1)HTML5introducedandelements,simplifyingmediaembeddingandenhancinguserexperience.2)Newsemanticelementslikeandimpr
CSS ID and Class: common mistakesMay 13, 2025 am 12:11 AMIDsshouldbeusedforJavaScripthooks,whileclassesarebetterforstyling.1)Useclassesforstylingtoallowforeasierreuseandavoidspecificityissues.2)UseIDsforJavaScripthookstouniquelyidentifyelements.3)Avoiddeepnestingtokeepselectorssimpleandimproveperformance.4
What is thedifference between class and id selector?May 12, 2025 am 12:13 AMClassselectorsareversatileandreusable,whileidselectorsareuniqueandspecific.1)Useclassselectors(denotedby.)forstylingmultipleelementswithsharedcharacteristics.2)Useidselectors(denotedby#)forstylinguniqueelementsonapage.Classselectorsoffermoreflexibili
CSS IDs vs Classes: The real differencesMay 12, 2025 am 12:10 AMIDsareuniqueidentifiersforsingleelements,whileclassesstylemultipleelements.1)UseIDsforuniqueelementsandJavaScripthooks.2)Useclassesforreusable,flexiblestylingacrossmultipleelements.
CSS: What if I use just classes?May 12, 2025 am 12:09 AMUsing a class-only selector can improve code reusability and maintainability, but requires managing class names and priorities. 1. Improve reusability and flexibility, 2. Combining multiple classes to create complex styles, 3. It may lead to lengthy class names and priorities, 4. The performance impact is small, 5. Follow best practices such as concise naming and usage conventions.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
SecLists
SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
Dreamweaver CS6
Visual web development tools
