Js Cast Int Code Example


Example 1: how to convert string to int js

let string = "1"; let num = parseInt(string); //num will equal 1 as a int

Example 2: Javascript string to int

var myInt = parseInt("10.256"); //10 var myFloat = parseFloat("10.256"); //10.256

Example 3: string to number javascript

// Method - 1 ### parseInt() ### var text = "42px"; var integer = parseInt(text, 10); // returns 42  // Method - 2 ### parseFloat() ### var text = "3.14someRandomStuff"; var pointNum = parseFloat(text); // returns 3.14  // Method - 3 ### Number() ### Number("123"); // returns 123 Number("12.3"); // returns 12.3 Number("3.14someRandomStuff"); // returns NaN Number("42px"); // returns NaN

Example 4: how to change a string to number in javascript

let theInt = parseInt("5.90123"); //5 let theFloat = parseFloat("5.90123"); //5.90123

Example 5: string to number js

let myNumber = Number("5.25"); //5.25

Example 6: javascript convert string to number

var myInt = parseInt("10.256"); //10 var myFloat = parseFloat("10.256"); //10.256

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