How does jquery determine whether the check box is selected?

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Judgment method: 1, the use of "$(check box element). Prop ('checked')" statement, if you return true is selected, return false is not selected; 2, the use of "$(check box element) .is (': checked')" statement, if you return true is selected, return false is not selected.

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

Jquery determines whether the check box is selected

Method 1: using prop ('checked')

Check if true is returned, and uncheck if false is returned

$(document) .ready (function () {$("button") .click (function () {var isChecked = $('# cbx'). Prop ('checked'); alert (isChecked);}) Click me to determine whether the check box is selected

Method 2: using is (': checked')

Check if true is returned, and uncheck if false is returned

$(document) .ready (function () {$("button") .click (function () {var isChecked = $('# cbx'). Is (': checked'); alert (isChecked);}) Click me to determine whether the check box is selected

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