select optiongrade_level.disabled=trueif(level.value=='Senior') { grade_level.removeAttribute('disabled') }elseif(level.value=='Junior') { grade_level.removeAttribute('disabled') } gradeSelect.querySelectorAll('option[value]').forEach(function(option) {letmatch = currentLevel === ...
document.getElementById('level').onchange=function() {varlevel =document.getElementById('level');if(level.value=='Senior') {document.querySelectorAll('.grade_level').forEach(function(select) {Array.from(select.options).forEach(function(option) {console.log(option.value);if(option.value.inclu...
You can get around not having anonclickevent against theoptionelement by using anonchangeevent against theselect. Knowing when you click an option is mandatory, as it lets you know when/if to check that the selected option is disabled. This is taken care of, we can move on. Part 2 Next...
select包含“全部”,“项目1”,“项目2”三个option,默认只选中“全部”,如何做到当选中“全部”时,其它两个option设置为disable生效,不选择“全部”时,其它两个option设置为disable失效。 antdreactjavascript 有用关注1收藏 回复 阅读8.5k 2 个回答 得票最新 雾秋 1.4k1190134 发布于 2019-10-15 动态加载 ...
<option value="男">男 <option value="女">女 </select> </td> </tr> <tr> <td>分数:</td> <td><input id="user.score" name="user.score" type="text"value=88 disabled="true"></td> </tr> <tr> <td><input type="submit" value="确认" onclick="disable()"></td> ...
disable(value?: string | number): void; Parameters: value: string | number - optional, the value of a specific option inside the control Example form.getItem("select").disable(1); Change log: The value parameter was added in v8.0Edit...
Example: viewport: '#viewport' or { "selector": "#viewport", "padding": 0 } If a function is given, it is called with the triggering element DOM node as its only argument. The this context is set to the tooltip instance. sanitize boolean true Enable or disable the sanitization. If ...
Option 和 Select 对象 禁用和启用下拉列表 获得有下拉列表的表单的ID 获得下拉列表的选项数量 将下拉列表变成多行列表 在下拉列表中选择多个选项 弹出下拉列表中被选中的选项 弹出下拉列表中被选中的选项的索引 改变下拉列表中被选中的选项的文本 删除下拉列表中的选项 Table, TableHeader, TableRow, TableData 对象...
html_SetSelectValue(pId,pValue) Sets the value (pValue) of a select item (pId). If the value is not found, this functions selects the first option (usually theNULLselection). Return Value Not applicable. Parameters pId (DOM node | String) pValue (String) ...
Example: viewport: '#viewport' or { "selector": "#viewport", "padding": 0 } If a function is given, it is called with the triggering element DOM node as its only argument. The this context is set to the tooltip instance. sanitize boolean true Enable or disable the sanitization. If ...