40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
let form = document.getElementById("form");
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let info = document.getElementById("res");
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form.onsubmit = async (e) => {
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e.preventDefault();
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if(form.x.value === "") return;
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if(form.y.value === "") return;
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let index = form.selected.selectedIndex;
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let indexType = form.type.selectedIndex;
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let op = form.selected.options[index].textContent;
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let type = form.type.options[indexType].textContent;
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let res = "";
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switch(op) {
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case "+":
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res = await fetch(`http://localhost:8080/sum${type}?x=${form.x.value}&y=${form.y.value}`)
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res = await res.text();
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break;
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case "-":
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res = await fetch(`http://localhost:8080/diff${type}?x=${form.x.value}&y=${form.y.value}`)
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res = await res.text();
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break;
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case "*":
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res = await fetch(`http://localhost:8080/multiple${type}?x=${form.x.value}&y=${form.y.value}`)
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res = await res.text();
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break;
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case "/":
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if(form.y.value == 0) return;
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res = await fetch(`http://localhost:8080/divide${type}?x=${form.x.value}&y=${form.y.value}`)
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res = await res.text();
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break;
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}
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info.textContent = res;
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} |