Often you want to add a page, simple scripts — hide/show button, change class and so on.
Look for solutions online and mindlessly paste other people's incomprehensible scripts tired. Learning JS from scratch and according to Cantor for web whistles, too, as it is not rational.
Here I think to find some kind of guide, to study for a couple of nights, to understand the logic and finally to write the scripts yourself. Only interested in a simple interaction with the page elements.
Can learn jQuery for this purpose?
For sarcastic fellow I will explain with an example.
One thing to know classic English, speak it, write, read.
More the - know "tourist" English, ask for directions, order food, ask how it's going.
Here is the "tourist" programming I was interested in and nothing more. Is it in any way?