JAVASCRIPT

js get id value

var element = document.getElementById("YourElementId");
var value_element = document.getElementById("YourElementId").value;

js get id value

// Get the ID from Element
let element = document.getElementById('elementId')
console.log(element.id) // Get the ID

// Get value from input Element
let element = document.getElementById('elementId')
console.log(element.value) // Get the value

get id javascript

async function test (){
  document.body.innerHTML = await "<foo id='successGetID'>Hello Wolrd</foo>";
	var init = await document.getElementsByTagName("foo")[0].id;
	alert( init );
}
test();