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| <html> | |
| <body> | |
| <label>Search</label> | |
| <!-- Renders an HTML input box --> | |
| <input type="text" id="search-box"> | |
| <p>No of times user actually clicked</p> | |
| <p id='show-api-call-count'></p> | |
| </body> | |
| <script> | |
| var searchBoxDom = document.getElementById('search-box'); | |
| function makeAPICall() { | |
| // This represents a very heavy method. Which takes a lot of time to | |
| // execute | |
| } | |
| // Event listener on the input box | |
| searchBoxDom.addEventListener('input', function () { | |
| var apiCallCountDom = document.getElementById('show-api-call-count'); | |
| var apiCallCount = apiCallCountDom.innerHTML || 0; | |
| apiCallCount = parseInt(apiCallCount) + 1; | |
| // Updates the number of times makeAPICall method is called | |
| apiCallCountDom.innerHTML = apiCallCount; | |
| // A very heavy method which takes a lot of time to execute | |
| makeAPICall() | |
| }) | |
| </script> | |
| </html> |
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