Black Horse DAY16 jquery basic Selector

The basic selector is the most commonly used selector in jquery and the simplest selector, which finds DOM elements through element Id,class and tag names (only once in a Web page, and class allows for reuse).

1,#idusage: $ ("#myDiv"); returns a collection of values that comprise a single element

Description: This is the direct selection of HTML in the id= "Mydiv"

2,Elementusage: $ ("div")return value Collection element

Note: The English translation of element is "elemental", so element is actually a tag element that is already defined in HTML, such as Div,input, A, and so on.

3,classusage: $ (". MyClass")return value Collection element

Note: This tag is a direct selection of elements or groups of elements in the HTML code that class= "MyClass" (because class can have more than one value in the same HTML page).

4, * usage:$ ("*")return value Collection element

Description: Matches all elements and is used in conjunction with context to search

5,Selector1, Selector2, Selectornusage:$ ("Div,span,p.myclass")return value Collection element

Description: Merges the elements that match each selector to return together. You can specify any number of selectors and merge the matched elements into one result. Where p.myclass is a matching element

Pclass= "MyClass"

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Black Horse DAY16 jquery basic Selector