There are several selectors in jquery

jquery’s selectors include: 1. Basic selector [#id]; 2. Hierarchical selector [parent > child]; 3. Basic filter selector [:first]; 4. Form selection [:input]; 5. Form filter selector [:enabled].

The operating environment of this tutorial: windows7 system, jquery3.2.1 version, Dell G3 computer.

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jquery selectors are:

a, basic selector: #id, class, element, *;

b, hierarchical selector: parent > child, prev next, prev ~ siblings

c, basic filter selector: :first, :last,: not, :even, :odd, :eq, :gt, :lt

d, form selector: :input, :text, :password, :radio, :checkbox, :submit, etc.;

e, form filter selector: :enabled, :disabled, :checked, :selected

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