Why the length of 0 bb?
Above is the body load event, add 10 buttons

CodePudding user response:

The following code executes, anniu haven't execute

CodePudding user response:

In chrome getElementsByClassName have compatibility problems, you can normal use

CodePudding user response:

6-8, firefox 2, I don't support

CodePudding user response:

And you have to call anniu method create 10 input

CodePudding user response:

Js asynchronous execution mechanism