WhatsApp bookmarklet

WhatsApp.js

/**
 * Use this bookmarklet to start WhatsApp chat without saving a contact first
 */
(function(){
    let phone = window.prompt('Enter phone with country code');
    if (Boolean(phone)) {        
        phone = phone.startsWith('+') ? phone : phone.startsWith('0') ? phone.replace(/^0+/, '+') : phone.padStart(phone.length+1, '+');
        window.open(`https://wa.me/${phone}`); 
    }
}());


/**
 * Minified code 
 * !function(){let t=window.prompt("Enter phone with country code");Boolean(t)&&(t=t.startsWith("+")?t:t.startsWith("0")?t.replace(/^0+/,"+"):t.padStart(t.length+1,"+"),window.open(`https://wa.me/${t}`))}();
*/