Created
October 13, 2016 02:57
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Pure JavaScript Copy
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>JS Copy</title> | |
| </head> | |
| <body> | |
| <h1>Pure JavaScript Copy</h1> | |
| <button id="copyBtn">Copy Content</button> | |
| <button id="randomBtn">Change Content</button> | |
| <hr/> | |
| <textarea id="contentArea" cols="50" rows="5"></textarea> | |
| <script> | |
| (function() { | |
| 'use strict'; | |
| var copyBtn = document.getElementById('copyBtn'), | |
| randomBtn = document.getElementById('randomBtn'), | |
| contentArea = document.getElementById('contentArea'); | |
| copyBtn.addEventListener('click', function() { | |
| if (contentArea.select) { | |
| contentArea.select(); | |
| } else { | |
| let range = document.createRange(); | |
| range.selectNode(contentArea); | |
| window.getSelection().addRange(range); | |
| } | |
| try { | |
| document.execCommand('copy'); | |
| contentArea.blur(); | |
| } | |
| catch (err) { | |
| alert('please press Ctrl/Cmd+C to copy'); | |
| } | |
| }, true); | |
| randomBtn.addEventListener('click', function() { | |
| contentArea.value = Math.random() * 100000000; | |
| }, true); | |
| randomBtn.click(); | |
| })(); | |
| </script> | |
| </body> | |
| </html> |
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