wangeditor富文本编辑器Cannot set property ‘onchange‘ of undefined
使用 wangeditor 时报错 Cannot set property ‘onchange' of undefined，如下图：网上查资料发现，wangeditor “＞=3.0.0“时会出现这个错误，当前是4.7.7版本，貌似是版本问题，用this.editor.customConfig = this.editor.customConfig ? this.editor.customConfig : this.editor.config; 兼容老版本。如下： mounted () {
