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- // A simple counter example
- // The setup will be more complicated in modern apps built using React
- const incrementNode = document.getElementById('increment');
- const decrementNode = document.getElementById('decrement');
- const inputNode = document.getElementById('counter');
- const counter = {
- initialize() {
- incrementNode.addEventListener('click', (event) => {
- event.preventDefault();
- const currentValue = inputNode.value;
- inputNode.value = parseInt(currentValue, 0) + 1;
- });
- decrementNode.addEventListener('click', (event) => {
- event.preventDefault();
- const currentValue = inputNode.value;
- if (currentValue > 0) {
- inputNode.value = parseInt(currentValue, 0) - 1;
- }
- });
- }
- };
- export default counter;
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