JSFiddle - React, Tailwind, and code Playground
JavaScript
//subsring from position
var strMain = "1ID:251";
var intInd = strMain.indexOf("ID");
alert(strMain.substring(0,intInd))
var strMain2 = "";
//subsring from position
var strMain = "1ID:251";
var intInd = strMain.indexOf("ID");
alert(strMain.substring(0,intInd))
var strMain2 = "";