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event capture, target, bubble with propagation explained
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| <!DOCTYPE html> | |
| <html id="html"> | |
| <head> | |
| <title>Page Title</title> | |
| </head> | |
| <body id="body"> | |
| <div id="one"> | |
| <div id="two"> | |
| <div id="three"> | |
| <div id="four"> | |
| <button id="button">Submit</button> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <script> | |
| function someFunc(event) { | |
| // event.stopPropagation(); | |
| // event.stopImmediatePropagation(); | |
| console.log("capture", event.currentTarget, event.target, event); | |
| } | |
| function captureFunc(event) { | |
| // event.stopPropagation(); | |
| console.log("captureFunc", event.currentTarget, event.target, event); | |
| } | |
| function someOtherFunc(evnet) { | |
| console.log("bubble", event.currentTarget, event.target, event); | |
| } | |
| const listOfAllIds = [ | |
| "html", | |
| "body", | |
| "one", | |
| "two", | |
| "three", | |
| "four", | |
| "button" | |
| ]; | |
| listOfAllIds.forEach(x => document.getElementById(x).addEventListener('click', someFunc, true)); | |
| listOfAllIds.forEach(x => document.getElementById(x).addEventListener('click', captureFunc, true)); | |
| listOfAllIds.forEach(x => document.getElementById(x).addEventListener('click', someOtherFunc)); | |
| </script> | |
| </body> | |
| </html> |
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