39 lines
978 B
JavaScript
39 lines
978 B
JavaScript
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const calculateButton = document.getElementById("calculate");
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const first = document.getElementById("first");
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const second = document.getElementById("second");
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const select = document.getElementById("operation");
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const result = document.getElementById("result");
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calculateButton.onclick = function() {
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calculate();
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};
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function calculate() {
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switch (parseInt(select.value)) {
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case 1:
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doSmth("plus")
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break;
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case 2:
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doSmth("minus")
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break;
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case 3:
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doSmth("mult")
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break;
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case 4:
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doSmth("div")
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break;
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};
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}
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function checkNum(res) {
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if (res.indexOf(".") != -1)
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return parseInt(res)
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else
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return res
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}
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function doSmth(address) {
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fetch(`http://localhost:8080/${address}?first=${first.value}&second=${second.value}`)
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.then(response => response.text())
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.then(res => result.innerHTML = checkNum(res));
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}
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