Created
September 6, 2018 07:22
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Stopping of submit event at a form element
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| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <form id="outer-form" action="javascript:doAction(outerForm)"> | |
| </form> | |
| <form id="inner-form" method="GET" action="javascript:doAction(innerForm)"> | |
| <div id="buttonParent"> | |
| <input> | |
| <button id="submitButton" type="submit">Go</button> | |
| </div> | |
| </form> | |
| <pre id="log"></pre> | |
| <script> | |
| function doAction(element) { | |
| document.getElementById('log').textContent += `${element.id}: action!\n`; | |
| } | |
| function logEventCapturing(event) { | |
| document.getElementById('log').textContent += `${this.id}: ${event.target.id}, capturing, pathLength: ${event.composedPath().length}\n`; | |
| } | |
| function logEventBubbling(event) { | |
| document.getElementById('log').textContent += `${this.id}: ${event.target.id}, bubbling, pathLength: ${event.composedPath().length}\n`; | |
| } | |
| const outerForm = document.getElementById('outer-form'); | |
| const innerForm = document.getElementById('inner-form'); | |
| outerForm.appendChild(innerForm); | |
| for (const element of [outerForm, innerForm, document.querySelector('div')]) { | |
| element.addEventListener('submit', logEventCapturing, true); | |
| element.addEventListener('test', logEventCapturing, true); | |
| element.addEventListener('submit', logEventBubbling); | |
| element.addEventListener('test', logEventBubbling); | |
| } | |
| innerForm.querySelector('button').dispatchEvent(new CustomEvent('submit', {bubbles: true, cancelable: true})); | |
| //document.querySelector('button').click(); | |
| </script> | |
| </body> | |
| </html> |
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