js自动查找select下拉的菜单并选择(示例代码)_javascript技巧
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2022-04-29 13:11:23
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复制代码 代码如下:
function find_select(name)
{
var select = document.getElementsByName(name);
var find_str = document.getElementById('to_find_str').value;
if(select)
{
select = select[0];
var child = select.childNodes;
var can=false,text='',len=child.length,is_end=true;
for(var i=0;i
if(can)
{
text = child[i].text;
if( text &&
text.indexOf(find_str)!=-1)
{
//console.log(text);
child[i].selected = true;
var v = child[i].value;
select.value = v;
select.onchange(v);
is_end = false;
break;
}
}
if(child[i].selected)
can = true;
}
if(is_end)
alert('已没有匹配内容');
}
}
复制代码 代码如下:
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