First option: invoke forEach indirectly. The parent.children is an Array like object. Use the following solution: const parent = this.el. ... <看更多>

There are four areas in the this code where the following throws a forEach. It is not a function because parent.children is not an array. ... <看更多>

Introduction to JavaScript Array forEach() method ... Typically, when you want to execute a function on every element of an array, you use a for loop statement. ... <看更多>

Looks to me like you are missing "this" references: .then(result => { this.apexJobInfoData = result.JobInfo.length===0?null:result. ... <看更多>

fn ( Function ( ReactWrapper node, Number index ) ): A callback to be run for every node in the collection. Should expect a ReactWrapper as the first argument, ... ... <看更多>