JSFiddle - React, Tailwind, and code Playground

HTML

<button onClick="mailTo('abc@example.com')">Test</button>

JavaScript

function mailTo(mailAddr){
    	var aTag = document.createElement("a");
    	aTag.href = "mailto:" + mailAddr;
    	aTag.id = "openMailClient";
        aTag.target = "_blank";
    	aTag.innerHTML = " ";
    	aTag.click();
 }