const x = { // Format numbers 1e+2: null, 1E+2: null, 0.000: null, 0b01: null, 0B01: null, 0o7: null, 0O7: null, 0xf: null, 0Xf: null, 1n: null, 0xan: null, // Remove quote for simple and exact floats "1.5": null, "9007199254740991": null, // Keep quotes for inexact floats "999999999999999999999": null, // Keep quoted for negative numbers "-1": null, "-1.5": null, // Keep quotes because the yare considered complex "1e+2": null, "1E+2": null, "0.000": null, "0b01": null, "0B01": null, "0o7": null, "0O7": null, "0xf": null, "0Xf": null, "1n": null, "0xan": null, }