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Javascript 2022-01-23 04:30:29
javascript check if number
//Updated dec 2020 // The first 2 Variations return a Boolean // They just work the opposite way around // IsInteger if (Number.isInteger(val)) { // It is indeed a number } // isNaN (is not a number) if (isNaN(val)) { // It is not a number } // Anoth... Add solution -
Javascript 2021-11-06 10:56:14
js is number
//Updated dec 2020 // The first 2 Variations return a Boolean // They just work the opposite way around // IsInteger if (Number.isInteger(val)) { // It is indeed a number } // isNaN (is not a number) if (isNaN(val)) { // It is not a number } // Anoth... Add solution -
Javascript 2021-10-17 09:10:07
js check if string is number
//Updated dec 2020 // The first 2 Variations return a Boolean // They just work the opposite way around // IsInteger if (Number.isInteger(val)) { // It is indeed a number } // isNaN (is not a number) if (isNaN(val)) { // It is not a number } // Anoth... Add solution