Angular 5中Froala Editor报错：_this._$element.froalaEditor不是函数

Hey there, let's tackle this frustrating Froala Editor issue you're hitting. That error almost always means the core Froala JavaScript isn't being loaded correctly (or in the right order) so jQuery can't find the froalaEditor method. Let's go through the most common fixes step by step:

1. Match Your Dependency Versions #

Angular 5 only works with specific versions of the Froala Angular wrapper. You'll need to use version 2.x.x of angular-froala-wysiwyg and froala-editor—newer versions target Angular 6+. Check your package.json to confirm:

"dependencies": {
  "angular-froala-wysiwyg": "^2.9.1",
  "froala-editor": "^2.9.1",
  "jquery": "^3.4.1"
}

Make sure the major/minor versions of froala-editor and angular-froala-wysiwyg match exactly to avoid compatibility gaps.

2. Fix Script/Style Loading Order in .angular-cli.json #

Froala relies on jQuery being available globally before it loads. Update your .angular-cli.json (Angular 5 uses this instead of angular.json) to load dependencies in the correct order:

"apps": [
  {
    "scripts": [
      "../node_modules/jquery/dist/jquery.min.js",
      "../node_modules/froala-editor/js/froala_editor.pkgd.min.js"
    ],
    "styles": [
      "../node_modules/froala-editor/css/froala_editor.pkgd.min.css",
      "../node_modules/froala-editor/css/froala_style.min.css"
    ],
    // ... other app config
  }
]

Double-check that jQuery is listed before Froala's JS file—this is a super common mistake!

3. Verify Module Import in AppModule #

Ensure you're properly importing and initializing the Froala modules in your shared AppModule. Here's how it should look:

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
// Import Froala modules
import { FroalaEditorModule, FroalaViewModule } from 'angular-froala-wysiwyg';

@NgModule({
  imports: [
    CommonModule,
    // Use .forRoot() to initialize the module in your root/shared module
    FroalaEditorModule.forRoot(),
    FroalaViewModule.forRoot()
  ],
  declarations: [/* Your components */],
  exports: [/* Export modules if needed */]
})
export class AppModuleShared { }

Omitting .forRoot() can lead to initialization issues, so don't skip that part.

4. Eliminate jQuery Conflicts #

ASP.NET Core's Angular template might already include jQuery in _Layout.cshtml or another global file. Having multiple jQuery instances (or mismatched versions) will break Froala:

• Check your Razor views or static HTML files for duplicate <script> tags loading jQuery.
• Ensure only one version of jQuery is loaded, and it's the same version listed in your package.json.

5. Clean Cache and Rebuild #

Sometimes old cached dependencies cause weird loading issues. Run these commands to start fresh:

# Delete node_modules and reinstall cleanly
npm clean-install
# Rebuild your project
ng build --prod

If you're using ng serve, restart it after reinstalling to pick up the new dependencies.

Quick Debug Check #

If none of the above works, open your browser's DevTools > Network tab and verify:

• jquery.min.js loads successfully (no 404 errors)
• froala_editor.pkgd.min.js loads after jQuery
• Both files are the correct versions you specified in package.json

That should cover the most common causes of this error. Let me know if you hit any snags along the way!

内容的提问来源于stack exchange，提问作者gboh