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In jquery, the live () method is used to add an event handler to the element and specifies the function to run when the event occurs, with the syntax of "$(selector) .live (event,data, the function that runs)"; this method has been removed in jquery version 1.9 and can be replaced by the on () method.

The operating environment of this tutorial: windows10 system, jquery3.2.1 version, Dell G3 computer.

The usage of live in jquery

The live () method appends one or more event handlers to the selected element and specifies the function to run when these events occur.

Event handlers attached through the live () method are suitable for matching current and future elements of the selector (such as new elements created by scripts).

Grammar

$(selector) .live (event,data,function)

The parameters are expressed as follows:

Event is required. Specifies one or more events attached to the element. Multiple events are separated by spaces. Must be a valid event.

Data is optional. Specifies the additional data passed to the function.

Function is required. Specifies the function to run when an event occurs.

The live () method is deprecated in jQuery version 1.7 and removed in version 1.9. Use the on () method instead.

Examples are as follows:

$(document) .ready (function () {$("button") .live ("click", function () {$("p") .slideToggle ();})

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