I have used p5.js, a JavaScript Library, to Animate the Searching pattern
You can see the demo of this app live at Demo
Gray-Blocks -> All possible-path-blocks
Green-Blocks -> All blocks-in-openset
Purple-Blocks -> All blocks-in-closedset
Yellow-Block (Single) -> Currnt Block From where the searching in perfoming
Yellow-Blocks -> All optimal-path-from-source-to-destination