javascript - jQuery replace only the text of a node, ignoring current internal nodes -

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i have html:

<label>search:   <input id="search-box" type="text"/> </label>

if want change words "search:" "quick search:", how can select "search:" text using jquery/js?

i have tried html(), text(), , other various jquery methods. goal not have copy input box , append after. possible?

p.s. know can use prepend() function, goal here replace text entirely, , i'd know how in future well.

thanks bunch.

if have access html i'd wrap text in span can address easily. however, have far can iterate on nodes in element , change textcontent of first text node (nodetype==3):

$(function(){            $("label").contents().each(function() {          if(this.nodetype == 3){              this.textcontent = "quick search: ";              return false;          }      })        });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <label>search:    <input id="search-box" type="text"/>  </label>


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