Determining the sign of a number is super easy now with ES6's Math.sign! It will indicate whether the number is positive, negative or zero...
How to Check if a Value is an Object in JavaScript Check if a Value is a Promise using JavaScript I wrotea bookin which I share everything I know about how to become a better, more efficient programmer. You can use the search field on myHome Pageto filter through all of my articles...
check.negative(-10); // true check.not.negativeNumber(1); // truecheck.typecheck.type('string', 'foo'); // true check.type('number', 42); // true check.type is curried.check.bitcheck.bit(0); // true check.bit(1); // true check.bit('1'); // false check.bit(2); //...
This JavaScript program checks whether from three given non-negative integers, two or all of them have the same rightmost digit. It examines the last digit of each number and compares them to determine if they match, returning true if there's a match and false otherwise....
check.in(substring, string): Returnstrueifsubstringis instring,falseotherwise. check.match(string, regex): Returnstrueifstringmatchesregex,falseotherwise. Number predicates check.number(thing): Returnstrueifthingis a number,falseotherwise. Note thatNaN,Number.POSITIVE_INFINITYandNumber.NEGATIVE_INFINITYare...
(negative number to decrease) increaseArea: '', // true to set 'pointer' CSS cursor over enabled inputs and 'default' over disabled cursor: false, // set true to inherit original input's class name inheritClass: false, // if set to true, input's id is prefixed with 'iCheck-' ...
(negative number to decrease) increaseArea: '', // true to set 'pointer' CSS cursor over enabled inputs and 'default' over disabled cursor: false, // set true to inherit original input's class name inheritClass: false, // if set to true, input's id is prefixed with 'iCheck-' ...
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check.in(substring, string): Returnstrueifsubstringis instring,falseotherwise. check.match(string, regex): Returnstrueifstringmatchesregex,falseotherwise. Number predicates check.number(thing): Returnstrueifthingis a number,falseotherwise. Note thatNaN,Number.POSITIVE_INFINITYandNumber.NEGATIVE_INFINITYare...