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25 - Event Capture, Propagation, Bubbling and Once Expand file tree Collapse file tree 1 file changed +56
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lines changed Original file line number Diff line number Diff line change 11<!DOCTYPE html>
22< html lang ="en ">
3- < head >
4- < meta charset ="UTF-8 ">
5- < title > Understanding JavaScript's Capture</ title >
6- < link rel ="icon " href ="https://fav.farm/🔥 " />
7- </ head >
8- < body class ="bod ">
9-
10- < div class ="one ">
11- < div class ="two ">
12- < div class ="three ">
3+ < head >
4+ < meta charset ="UTF-8 " />
5+ < title > Understanding JavaScript's Capture</ title >
6+ < link rel ="icon " href ="https://fav.farm/🔥 " />
7+ </ head >
8+ < body class ="bod ">
9+ < div class ="one ">
10+ < div class ="two ">
11+ < div class ="three "> </ div >
1312 </ div >
1413 </ div >
15- </ div >
1614
17- < style >
18- html {
19- box-sizing : border-box;
20- }
15+ < style >
16+ html {
17+ box-sizing : border-box;
18+ }
2119
22- * , * : before , * : after {
23- box-sizing : inherit;
24- }
20+ * ,
21+ * : before ,
22+ * : after {
23+ box-sizing : inherit;
24+ }
2525
26- div {
27- width : 100% ;
28- padding : 100px ;
29- }
26+ div {
27+ width : 100% ;
28+ padding : 100px ;
29+ }
3030
31- .one {
32- background : thistle;
33- }
31+ .one {
32+ background : thistle;
33+ }
3434
35- .two {
36- background : mistyrose;
37- }
35+ .two {
36+ background : mistyrose;
37+ }
3838
39- .three {
40- background : coral;
41- }
42- </ style >
39+ .three {
40+ background : coral;
41+ }
42+ </ style >
4343
44- < button > </ button >
45- < script >
44+ < button > </ button >
45+ < script >
46+ const divs = document . querySelectorAll ( "div" ) ;
47+ function logText ( e ) {
48+ console . log ( this . classList . value ) ;
49+ e . stopPropagation ( ) ;
50+ }
4651
47- </ script >
48- </ body >
52+ divs . forEach ( ( div ) =>
53+ div . addEventListener ( "click" , logText , {
54+ capture : false ,
55+ once : true ,
56+ } )
57+ ) ;
58+ button . addEventListener (
59+ "click" ,
60+ ( ) => {
61+ console . log ( "Clickkk" ) ;
62+ } ,
63+ {
64+ once : true ,
65+ }
66+ ) ;
67+ </ script >
68+ </ body >
4969</ html >
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