frag.appendChild(option);//将设置好的 option插入文档片段。} reg_select.appendChild(frag);//循环结束后一次性,将文档片段插入制定的dom中
//获取select下拉框Option的Value值:document.form1.testvalue.value//获取select下拉框Option的Text值:document.form1.testvalue.options[document.form1.testvalue.selectedIndex].text
if (jsSelectIsExitItem(objSelect, objItemValue)) { alert("该Item的Value值已经存在"); } else { var varItem = new Option(objItemText, objItemValue); objSelect.options.add(varItem); alert("成功加入"); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17...
<select id=”test” name=””> <option value=”1″>text1</option> <option value=”2″>text2</option> </select> code: 一:javascript原生的方法 1:拿到select对象: var myselect=document.getElementById(“test”); 2:拿到选中项的索引:var index=myselect.selectedIndex ; // selectedIndex代表的...
For data attributes, append the option name to data-, as in data-parent="". Nametypedefaultdescription parent selector false If a selector is provided, then all collapsible elements under the specified parent will be closed when this collapsible item is shown. (similar to traditional accordion...
For data attributes, append the option name to data-, as in data-parent="". Nametypedefaultdescription parent selector false If a selector is provided, then all collapsible elements under the specified parent will be closed when this collapsible item is shown. (similar to traditional accordion...
Tooltips that use delegation (which are created using the selector option) cannot be individually destroyed on descendant trigger elements. $('#element').tooltip('destroy') Events Event TypeDescription show.bs.tooltip This event fires immediately when the show instance method is called. shown.bs....
is 0-based.但是第0项是“请选择省份-- ” --> <select name="select" id="province" onchange="setCity(this.selectedIndex);"> <option value="0">请选择省份--</option> </select> <select name="select2" id="city"> <option value="0">请选择城市--</option> </select> </BODY> </HTML...
For data attributes, append the option name to data-, as in data-parent="". Nametypedefaultdescription parent selector false If a selector is provided, then all collapsible elements under the specified parent will be closed when this collapsible item is shown. (similar to traditional accordion...
run(selector, userOptions) Initialize baguetteBox.js @paramselector{string} - valid CSS selector used byquerySelectorAll @paramuserOptions{object} - custom options (see#Customization) @return {array} - an array of gallery objects (reflects elements found by the selector) ...