JSFiddle - React, Tailwind, and code Playground

HTML

<form name="info_input" target="_self">

 

<select name="InputText_1" id="selectinpt" style="width:280px;">


     <option>first</option> 
     <option>second</option> 
     <option>third</option> 



</select>

 

<input type="text" name="InputText_2" value="" size="25" placeholder="введите строку запроса..." onKeyPress="" />

<input name="button_2" type="button" onClick="OutputText2()" value="Проверить" />

 

</form>

 

<div id=div1></div>

<script language="JavaScript">

function OutputText2()

 

{

var x = document.info_input.InputText_2.value;

 

div1.innerHTML = "<iframe src='http://yandex.ru/yandsearch?text="+x+"' frameborder='0' style='width:100%; height:400px' galleryimg='false' scrolling='auto' id='Yframe'></iframe>";

 

}

 

</script>