Show Latex in Hexo

Installing Steps

1. npm un hexo-renderer-marked --save
2. npm install markdown-it
3. npm install @iktakahiro/markdown-it-katex
4. npm i hexo-renderer-markdown-it-katex

config.yaml

markdown:
  render:
    html: true
    xhtmlOut: false
    breaks: true
    linkify: true
    typographer: true
  plugins: 
    - plugin:
        name: markdown-it-katex
        enable: true
  anchors:
    level: 1
    collisionSuffix: ''

Result

with $x_s+y^3=123$

$x_s + y^3 = 123$

with $$x_s + y^3 = 123$$

$x_s + y^3 = 123$