Author: Nicholas Lang

Mr. Ahn's Perfect Circle: Problem of the Week Do you enjoy solving word problems? You've come to right place! Each week, Mr. Ahn's Perfect Circle presents a math problem for students to solve. Just fill out the form below with your full name and email, read the...

In the second part of our Successful Student series, Mr. Nicholas Lang writes about how to be a successful science student. Nick is the Assistant Director of Subject Prep and Coordinator of High School Admissions Test Prep. He is also one of MEK’s most popular...

var interval = setInterval(findForm, 100); var startTime = new Date().getTime(); function formatPhoneNumber(value) { if (!value) return value; const phoneNumber = value.replace("+1", "").replace(/[^\d]/g, ''); const phoneNumberLength = phoneNumber.length; if (phoneNumberLength < 4) return phoneNumber; if (phoneNumberLength < 7) { return `+1 (${phoneNumber.slice(0, 3)}) ${phoneNumber.slice(3)}`; } return `+1 (${phoneNumber.slice(0, 3)}) ${phoneNumber.slice( 3, 6 )}-${phoneNumber.slice(6, 10)}`; } function validatePhoneNumber(input_str) { var re = /^\(?(\d{3})\)?[- ]?(\d{3})[- ]?(\d{4})$/; return re.test(input_str); } function convertPhoneToUSA(form) { var phoneNumberInput = form.querySelector('[data-name="phone_number"]'); phoneNumberInput.addEventListener('input', function(){ this.value = formatPhoneNumber(this.value); }) } function findForm() { var form = document.getElementsByClassName('_form_84')[0] || document.getElementsByClassName('_form_96')[0] || document.getElementsByClassName('_form_88')[0]; if (form) { convertPhoneToUSA(form); clearInterval(interval) } else { if(new Date().getTime() - startTime > 6000){ console.log("form not found"); clearInterval(interval); return; } } }