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JavaScript internal and local search?

Castdeath97
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I have been trying to get some sort of simple search that only searches for a given string within a single webpage and highlights it (and perhaps jumps to it). Looking for google I only fine ancient solutions relying on window.find (which isn't well supported anymore and doesn't seem to work) and some others that seem very hard to implement. 

 

So, It would be nice if someone could help me out.

 

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You'd probably have to iterate over every text element (or any element that has text in it), compare it to the string you're looking for, then change the color (with CSS) or something to indicate matches

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