please tell me why?$$(id)

Webix JS
1

console.log(“layout_”+id);//=layout_bj
console.log($$(“layout_”+id));//=undefined
console.log($$(“layout_bj”));//=the result i expected

anyone tell me why?thank you very much!

2

Maybe you have whitespaces in id. Run the next code

console.log("layout_"+id == "layout_bj")

If it ouptutps false then id need to be fixed

3

yes,thank you,it was my mistake.