29 lines
1.2 KiB
JavaScript
29 lines
1.2 KiB
JavaScript
// Recherche de la ou des villes correspondantes au code postal saisi (exemple 54490 --> 7 villes)
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ztCP.onchange = function () {
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//alert("ztCP a changé");
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msgCP.textContent = "";
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zlVille.length = 0;
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const XHTTP = new XMLHttpRequest();
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XHTTP.onload = function () {
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if (this.status != 200) {
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msgCP.textContent = "Code postal erroné";
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} else {
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var lesVilles = JSON.parse(this.responseText);
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var info = "";
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if (lesVilles.length > 1) {
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info += "<optgroup label='Les villes du code postal' />";
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}
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for (var i = 0; i < lesVilles.length; i++) {
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var uneVille = lesVilles[i];
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info += "<option value='" + uneVille.libelleAcheminement + "'>";
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info += uneVille.libelleAcheminement + '</option>';
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}
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zlVille.innerHTML = info;
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}
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}
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var cp = ztCP.value;
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XHTTP.open("GET", "https://apicarto.ign.fr/api/codes-postaux/communes/" + cp);
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XHTTP.send();
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}
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