Version complète: jsB@nk » Form » Dropdown » Smarter Dynamic Sélectionnez Options
URL: https://www.javascriptbank.com/smarter-dynamic-select-options.html
Je utiliser ce script sélectionner plusieurs si vous voulez créer sélectionnez les cases qui se rapportent aux Autres, par onchange événement. Choisissez une valeur dans la première des options et sélectionnez le script et d'afficher les precess disponibles sélectionner des valeurs dans la seconde case qui correspond à votre sélection automatiquement. Facile à utiliser, avec des commentaires dans le code source. Vous pouvez aussi voir plus de sélectionner plusieurs, dropdown dynamique, ...
Version complète: jsB@nk » Form » Dropdown » Smarter Dynamic Sélectionnez Options
URL: https://www.javascriptbank.com/smarter-dynamic-select-options.html
<script type="text/javascript">// Created by: Bobby van der Sluis | http://www.bobbyvandersluis.com/// Details can be found at:// http://www.bobbyvandersluis.com/articles/unobtrusivedynamicselect.phpfunction dynamicSelect(id1, id2) { // Feature test to see if there is enough W3C DOM support if (document.getElementById && document.getElementsByTagName) { // Obtain references to both select boxes var sel1 = document.getElementById(id1); var sel2 = document.getElementById(id2); // Clone the dynamic select box var clone = sel2.cloneNode(true); // Obtain references to all cloned options var clonedOptions = clone.getElementsByTagName("option"); // Onload init: call a generic function to display the related options in the dynamic select box refreshDynamicSelectOptions(sel1, sel2, clonedOptions); // Onchange of the main select box: call a generic function to display the related options in the dynamic select box sel1.onchange = function() { refreshDynamicSelectOptions(sel1, sel2, clonedOptions); }; }}function refreshDynamicSelectOptions(sel1, sel2, clonedOptions) { // Delete all options of the dynamic select box while (sel2.options.length) { sel2.remove(0); } // Create regular expression objects for "select" and the value of the selected option of the main select box as class names var pattern1 = /( |^)(select)( |$)/; var pattern2 = new RegExp("( |^)(" + sel1.options[sel1.selectedIndex].value + ")( |$)"); // Iterate through all cloned options for (var i = 0; i < clonedOptions.length; i++) { // If the classname of a cloned option either equals "select" or equals the value of the selected option of the main select box if (clonedOptions[i].className.match(pattern1) || clonedOptions[i].className.match(pattern2)) { // Clone the option from the hidden option pool and append it to the dynamic select box sel2.appendChild(clonedOptions[i].cloneNode(true)); } }}// Multiple onload function created by: Simon Willison// http://simon.incutio.com/archive/2004/05/26/addLoadEventfunction addLoadEvent(func) { var oldonload = window.onload; if (typeof window.onload != 'function') { window.onload = func; } else { window.onload = function() { if (oldonload) { oldonload(); } func(); } }}// addLoadEvent(nameOfSomeFunctionToRunOnPageLoad);addLoadEvent(function() {dynamicSelect("pda-brand", "pda-type");});</script><form><div><select id="pda-brand"> <option value="select">Select PDA brand...</option> <option value="dell">Dell</option> <option value="hp">HP</option> <option value="palmone">PalmOne</option></select><select id="pda-type"> <option class="select" value="select">Select PDA type...</option> <option class="dell" value="aximx30">Axim X30</option> <option class="dell" value="aximx50">Axim X50</option> <option class="hp" value="ipaqhx2750">iPAQ hx2750</option> <option class="hp" value="ipaqrx3715">iPAQ rx3715</option> <option class="hp" value="ipaqrz1710">iPAQ rz1710</option> <option class="palmone" value="tungstene2">Tungsten E2</option> <option class="palmone" value="tungstent5">Tungsten T5</option> <option class="palmone" value="zire72">Zire 72</option></select></div></form>