Picture this. You just learned a cool JavaScript trick. You want to see if it actually works. But you don't have a code editor open. You don't want to set up a whole project just to test three lines of code. Sound familiar? Here's the good news: y...

You open a JSON file. Your text editor freezes for three seconds. When it finally loads, you're staring at 80,000 lines of tightly packed, unindented data — no line breaks, no color, no structure. You need to find one specific value buried somewhere ...