Basic Calculator Practice JS
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This example shows a minimal web-based calculator that performs addition, subtraction, division, and multiplication on two fixed numbers (8 and 2). The interface displays those operands alongside four operation buttons and a result area. JavaScript event handlers assigned via inline `onclick` attributes in the HTML call the corresponding functions, which directly update the text content of the `sum-el` element. The demo relies on raw DOM manipulation through `document.getElementById` and `textContent`, with styling provided by plain CSS.
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