Javascript onchange js可以';t在yii2 php select中工作
当我选择一个选项时,代码js无法显示输入类型号 我的选择选项:Javascript onchange js可以';t在yii2 php select中工作,javascript,yii2-advanced-app,Javascript,Yii2 Advanced App,当我选择一个选项时,代码js无法显示输入类型号 我的选择选项: <div class="gjf2"> <div class="select" > <?=$form->field($model, 'cat')->dropDownList($categoryFilters['cat']['options'],['class' => 'js-example-basic-single select-hidden'],['onchange'=>'m
<div class="gjf2">
<div class="select" >
<?=$form->field($model, 'cat')->dropDownList($categoryFilters['cat']['options'],['class' => 'js-example-basic-single select-hidden'],['onchange'=>'myFunction()'],['id'=>'mySelect'],['options'=>['0' => ['disabled' => true],$select => ['selected' => true]]])->label(""); ?>
</div>
<p id="demo"></p>
</div>
我的js代码:
函数myFunction(){
var x=document.getElementById(“mySelect”).value;
document.getElementById(“demo”).innerHTML='';
}
将onchange放在第二个数组中,这是一个选项数组,意味着您需要这样做
<?=$form->field($model, 'cat')->dropDownList($categoryFilters['cat']['options'],['class' => 'js-example-basic-single select-hidden' ,'onchange'=>'myFunction()'])->label(""); ?>
请参阅:
下拉列表应为:
<?= $form->field($model, 'cat')->dropDownList(
$categoryFilters['cat']['options'],
[
'class' => 'js-example-basic-single select-hidden',
'onchange' => 'myFunction()',
'id' => 'mySelect',
'options' => ['0' => ['disabled' => true, 'selected' => true]],
])->label(false) ?>
如何在Yii2(php)下拉列表中更改js