JSFiddle - React, Tailwind, and code Playground

HTML

<div class="input-field col s3">
    <input placeholder="Enter Campaign ID" id="campid" type="text" class="validate" oninput="buildWFLink(); buildPMLink();" required >
    <label for="campaign_id">Campaign ID</label>
</div>

<div >
     <a id="pmURL">Test</a>
 </div>

JavaScript

function buildPMLink(){
   let urlStart = "https://www.projectmanagement.com?query=";
   let urlEnd = "&showResults=False";
   let campRef = document.getElementById("campid").value;
   let fullURL = urlStart + campRef + urlEnd;
   document.getElementById('pmURL').href = fullURL;

}

function buildWFLink(){
	console.log("buildWF");
}