How to check if the value exist in google spreadsheet or not using apps script
问题 How to check if the value is exist in google spreadsheet or not using apps script I want to check if the Sam exist in the entire spreadsheet or not using apps script. If exist I want to perform task... function doGet(e) { return HtmlService.createHtmlOutput("Hi there"); } function doPost(e) { // this is where telegram works var data = JSON.parse(e.postData.contents); var text = data.message.text; var id = data.message.chat.id; var userName = data.message.from.username; if(/^#/.test(text)) {