Use JavaScript chained programming to simulate Jquery function_javascript skills

This article mainly introduces how to use JavaScript chained programming to simulate Jquery functions and share the source code. it is very good and is recommended to everyone. The code is very simple, mainly to provide you with a train of thought, it is also a small trainer who has learned javascript for such a long time.

Chained programming links multiple operations (with multiple lines of code) through the dot "." to form a code sentence. Chained code usually requires a return value for the operation, but most of the operations are void type, and nothing is returned. This makes it difficult to link up. of course, there are also solutions that may not be elegant. The new idea of chained programming has been widely used in jQuery.

The code is as follows:

Hello, World!