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Is there a way to associate the click event with the left border of a div in jquery?

I have a div

<div id="preview">
</div>

Is there a way to bind the click event to this left border of the div?

Thanks in advance.

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5 answers
div {
    height:100px;
    border:4px solid black;
    padding:10px;
}

Try this method

$('div').click(function(e){
   if(  e.offsetX < 5){
        alert('clicked on the left border!');
    }
});

Edit - Improved Version

$('div').click(function(e){
    if(  e.offsetX <= parseInt($(this).css('borderLeftWidth'))){
       alert('clicked on the left border!');
    }
});
+6
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I don’t think there is, but you can make your own border with another div and set the click event for this!

Here is an example:

HTML

<div id="preview">
<div id="leftborder"></div>
</div>

CSS

#preview{
width:200px;
height:200px;
background-color:black;
border: 5px solid blue;
border-left:0px;
}
#leftborder{
width:5px;
height:100%;
background-color: blue;
}

Js

$( "#leftborder" ).click(function() {
   alert( "Left border clicked!" );
});

The JS part is jquery, so first you need to include it in your header.

0
source

- , click. , div .

0

. . , .

$(document).ready(function () {
  $(".border:before").click(function () {
    alert("Hi");
  });
});
.border {border-left: 5px solid #99f; padding-left: 10px; position: relative;}
.border:before {content: " "; display: block; height: 5px; width: 5px; position: absolute; left: -5px; top: 0; background: #f00; height: 1em;}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div class="border">Hi</div>
Hide result

.

$(function () {
  $(".outer").click(function () {
    alert("Hi");
  });
  $(".inner").click(function () {
    return false;
  });
});
.outer {background: #f00; padding-left: 5px;}
.inner {background: #fff; padding: 5px;}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div class="outer"><div class="inner">Hi</div></div>
Hide result

, , JavaScript. " " .

$(function () {
  $(".border").wrap("<div class='outer' />");
  $(".outer").click(function () {
    alert("Hi");
  });
});
.border {border-left: 5px solid #f00; padding: 5px;}
.outer {padding-left: 5px; background: #f00;}
.outer .border {background: #fff; border: 0;}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div class="border">Hi</div>
Hide result

- .

$(document).ready(function () {
  $(".border").click(function (e) {
    if (e.offsetX < parseInt($(this).css("border-left-width").replace("px", "")))
      alert("Hi");
  });
});
.border {border-left: 5px solid #99f; padding-left: 10px; position: relative;}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<div class="border">Hi</div>
Hide result
0

<!DOCTYPE html>
<html>
    <head>
        <title>Test</title>
        <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
        <meta charset="utf-8">
        <script type="text/javascript" src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
        <style>
            .preview {
                background-color:#F5F5F5;
                width: 50%;
                height: 200px;
                padding:10px;
                border: 10px solid #FF0000;
            }
        </style>
    </head>
    <body>
        <div id="el" class="preview"></div>

        <!-- Script at the end -->
        <script type="text/javascript" >
            $('#el').click(function(e) {
                var $this = $(this);

                // Define the border with
                var border_width = 10;

                // Get the offset
                var offset = $this.offset();
                offset.left = e.pageX - offset.left;
                offset.top = e.pageY - offset.top;

                // Size can be used for calculate click on right border
                var size = {
                     'width' : $this.width()
                    ,'height' : $this.height()
                };

                if(offset.left <= border_width) {
                    console.info("border left clicked");
                }
            });
        </script>
    </body>
</html>
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