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How to use jquery function on

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Release: 2020-12-01 15:25:44
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<p>How to use jquery function on: The on method adds one or more event handlers on the selected element and child elements. The syntax is [$(selector).on(event,childSelector,data,function) 】.

<p>How to use jquery function on

<p>The operating environment of this tutorial: windows7 system, jquery3.2.1 version. This method is suitable for all brands of computers.

<p>How to use jquery function on:

<p>Definition and usage

<p>on() method is used in selected elements and sub-elements Add one or more event handlers on the element.

<p>The on() method is the new replacement for the bind(), live() and delegate() methods. This method brings a lot of convenience to the API and is recommended because it simplifies the jQuery code base.

<p>Note: Event handlers added using the on() method apply to current and future elements (such as new elements created by scripts).

<p>Tip:

  • <p>To remove the event handler, use the off() method.

  • <p>To add an event that only runs once and then remove it, use the one() method.

<p>Syntax

$(selector).on(event,childSelector,data,function)
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<p>How to use jquery function on

<p>Add a click event handler to the <p> element:

$(document).ready(function(){
  $("p").on("click",function(){
    alert("段落被点击了。");
  });
});
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