js拿取h5标签中的值

1.h5 界面<ul class="selectMenu" id="jsSelectMenu">
<li value="course">公开课</li>
<li value="org">课程机构</li>
<li value="teacher">授课老师</li>
</ul>
</div>
<input id="search_keywords" class="fl" type="text" value="" placeholder="请输入搜索内容"/>

2.js拿取标签中的值
通过id拿取

var aaa = $("#jsSelectOption").text()
        console.log(aaa)

        var bbb = $("#search_keywords").val()
        console.log(bbb)

3.js给文本框赋值

document.getElementById("mypassword").value=“sssss"

js给label赋值

document.getElementById("usernamesss").innerHTML=data