supplant function

var template = '<table border="{border}">' +
    '<tr><th>Last</th><td>{last}</td></tr>' +
    '<tr><th>First</th><td>{first}</td></tr>' +
    '</table>';
    

number, string , boolean conversion

var n = 1;
var s = "" + n; //number to string
//or
String(n);
//
n = +s;  //string to number
//
n = Number(s); //

javascript split string into array by space

s.split(/\s+/);

jQuery queue and deque

You queue a serial of function, then run the function in a serial.

   var area = document.getElementById("area");

triming leading and trailing whitespace in javascript

var result = text.replace( /^(\s|\u00A0)+|(\s|\u00A0)+$/g, "" )