Parse tree structure JS

Output
analysis(arr) {
if (arr.name) {
this.objarr.push(arr.name);// objarr Store array , It must be stated outside the method
if (arr.children.length == 0) return;
this.analysis(arr.children);
} else {
arr.forEach((element) => {
this.objarr.push(element.name);
if (element.children.length == 0) return;
this.analysis(element.children);
});
}
return this.objarr;
},

In fact, this topic mainly focuses on the scope and callback , Note that the given object contains an array