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#python #numbers
>>> int(3.7) 3 >>> int(-3.4) -3 >>> int(round(3.8)) 4
#historicalcode #numbers
- return floor(value) + return round(value)
#javascript #jsfunctions #numbers
var x = 1.234; var y = x.toExponential(2); // returns y = 1.23e+0 var y = x.toExponential(5); // returns y = 1.23450e+0
parseInt("10"); // returns 10 parseInt("10.33"); // returns 10 parseInt("10 20 30"); // returns 10 parseInt("10 years"); // returns 10 parseInt("years 10"); // returns NaN
var x = 1.2345; var y = x.toFixed(0); //y equals 1; var y = x.toFixed(2); //y equals 1.23 var y = x.toFixed(5); //y equals 1.23400
#javascript #numbers #jsfunctions
var x = 123; //OPTION 1 var y = x.toString(); //OPTION 2 var y = (123).toString(); //OPTION 3 var y = (100 + 23).toString(); // value of y is 123 in all 3 cases.
var x = 1234; var y = x.valueOf(); var y = (1234).valueOf(); var y (1000+234).valueOf(); //y equals 1234 in all 3 cases
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Sun Jan 12 2020 17:40:37 GMT+0000 (Coordinated Universal Time) https://slate.com/technology/2019/10/consequential-computer-code-software-history.html
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