Created
June 6, 2015 04:16
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js: AJAX load JSON very simple example
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| { | |
| "name": "sundaycrafts", | |
| "age": 18, | |
| "gender": "male", | |
| "msg": "<h1>Hello World!</h1>" | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Document</title> | |
| <script> | |
| window.onload = function() { | |
| var xhr = new XMLHttpRequest(); | |
| var data; | |
| xhr.onreadystatechange = function() { | |
| if(xhr.readyState == 4 && xhr.status == 200) { | |
| data = JSON.parse(xhr.responseText); | |
| } | |
| } | |
| xhr.open('GET', 'data.json'); | |
| xhr.send(); | |
| var btn = document.querySelector('#btn'); | |
| var txt = document.querySelector('#txt'); | |
| btn.addEventListener('click', function(){ | |
| txt.innerHTML = data.msg; | |
| }); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <div id="cont"> | |
| <button id="btn">push</button> | |
| <div id="txt"></div> | |
| </div> | |
| </body> | |
| </html> |
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