When I write JavaScript code, company does not toggle when prefix is $, how to fix it?

(setq company-idle-delay 0)
(setq company-minimum-prefix-length 0)
(setq company-auto-complete t)
(setq company-require-match nil)
  • Which company backand are you using? ac-js2, company-tern or jquery-doc.el?
    – Jules
    Mar 16 '16 at 15:53
  • it's up to the backend to determine when a prefix is valid. So as @Jules said, knowing what backend you are using makes a difference. Nov 28 '17 at 22:48

You need company-dabbrev-code ; my config :

(use-package company
  (setq company-minimum-prefix-length 1
        company-selection-wrap-around t
        company-dabbrev-code-ignore-case t
        company-dabbrev-downcase nil
        company-dabbrev-ignore-case t
           company-capf           ; completion-at-point-functions
           company-files          ; files & directory
  ;; (setq company-dabbrev-downcase nil)
  (eval-after-load 'company
    '(add-to-list 'company-backends '(company-dabbrev-code company-yasnippet company-abbrev company-dabbrev company-capf))))

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