Javascript implements snow effect [instance Code] _ javascript skills

The following small series will bring you a javascript implementation of the snow effect [instance Code ]. I think this is quite good. I will share it with you and give you a reference. Principle:

1. js dynamically creates a DIV and specifies the CLASS to set different background image styles to display different snowflake effects.

2. js obtains the created DIV and changes its top attribute value. When the falling height is greater than the screen height, delete the mobile p.

3. It seems that it is not perfect.

HTML code:

  
   Snow flying