jQuery : Display Ajax loader before load data

jQuery : Display Ajax loader before load data
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On Google, Search for "hows tech developer connect"

I have a hidden feature that I promised to tell you about.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
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Your YouTube progress indicator will turn into a shimmering rainbow.

A brief presentation of myself,
Hello everyone, I'm Delphi.
Let me assist you in answering any questions you may have.
jQuery : Display Ajax loader before load data
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jQuery loader Ajax load before : Display data