selector

中文： 选择器

1. Someone or something which selects or chooses.
2. An administrator responsible for selecting which players will play for a side.
3. A matching expression in a stylesheet determining which elements in the markup are affected by a style.
4. A pointer to a structure describing a segment of memory.
5. A text string transmitted to a Gopher server, identifying the resource to be retrieved.
6. A disc jockey.

复数 selectors