var invalidChars = ["-", "e", "+", "E"]; $("input[type='number']").on("keydown", function(e){ if(invalidChars.includes(e.key)){ e.preventDefault(); } }):
var invalidChars = ["-", "e", "+", "E"]; $("input[type='number']").on("keydown", function(e){ if(invalidChars.includes(e.key)){ e.preventDefault(); } }):