El - table in use: tree - props, do delete changes with its components, appeared. Children undefind-CodePudding

Data structure is the

 {
Id: 1, 
Date: "2016-05-02," 
Name: "SDSD logarithmic function", 
Levels: 1, 
Address: "1518, jinshajiang road, putuo district, Shanghai", 
Children: 
{
Id: 11, 
Date: "2016-05-01," 
Name: "two thousand," 
Levels: 2, 
Address: "1519, jinshajiang road, putuo district, Shanghai", 
Children: 
{
Id: 111, 
Date: "2016-05-01," 
Levels: 3, 
Name: "three," 
Address: "jinshajiang road, putuo district, Shanghai 1519 make" 
} 
] 
} 
] 
},

Form components

 & lt; El - table 
: data="https://bbs.csdn.net/topics/tableData" 
Style="width: 100%; Margin - bottom: 20 px;" 
The row - key="id" 
Stripe 
Ref="refs" 
: tree - props="{children: 'children, the hasChildren:' the hasChildren '}"

The method is that I wrote

 
SortDelet (row) {
//the console. The log (this); 
The console. The log (row); 
The console. The log (row. Levels); 

If (row. Levels * 1==1) {
Enclosing tableData. Splice (this) tableData) indexOf (row), 1); 
} else if (row. Levels * 1==2) {
//the debugger; 
Let child1=[]; 
for (let i=0; i <=this. TableData. Length; I++) {
Child1=this. TableData [I]. Children; 
For (let j=0; J & lt; Child1. Length; J++) {
If (child1 [j]. Id * 1==row. Id * 1) {
Child1. Splice (child1. IndexOf (child1 [j]), 1); 
} 
} 
} 
} else if (row. Levels * 1==3) {
Let child1=[]; 
Let child2=[]; 
for (let i=0; i <=this. TableData. Length; I++) {


Child1=this. TableData [I]. Children; 
For (let j=0; J & lt; Child1. Length; J++) {
Child2=this. TableData [I]. Children [j]. Journal of children; 
For (let k=0; K & lt; Child2. Length; K++) {
If (child2 [k]. Id * 1==row id * 1) {
Child2. Splice (child2. IndexOf (child2 [k]), 1); 
} 
} 
} 
} 
} 
}

And that's an error
But the strange thing is, the function implementation, but has been an error,
The Error in v - on handler: "TypeError: always read the property 'children' of undefined"

Please, Daniel, look at, thank you

CodePudding user response:

Let define work scope in the block level only, using var

 
Let child1=[]; 
Let child2=[];

CodePudding user response:

Thank you very much for your reply, I tried is still the same error