How to convert String to Float in JavaScript


How to convert String to Float in JavaScript ?

Answer

To convert a string to float in JavaScript, you can use the 'parseFloat()' function.



✐ Examples

1 Convert "3.14" String to Float

In this example,

  1. We create a string variable str1 with a value of "3.14".
  2. We use the parseFloat() function to convert the string to a float and store the result in a variable float1.
  3. Finally, we log the float value float1 to the console.

JavaScript Program

// Convert "3.14" String to Float
let str1 = "3.14";
let float1 = parseFloat(str1);
console.log("Float value is: " + float1);

Output

Float value is: 3.14

2 Convert "10.5" String to Float

In this example,

  1. We create a string variable str2 with a value of "10.5".
  2. We use the parseFloat() function to convert the string to a float and store the result in a variable float2.
  3. Finally, we log the float value float2 to the console.

JavaScript Program

// Convert "10.5" String to Float
let str2 = "10.5";
let float2 = parseFloat(str2);
console.log("Float value is: " + float2);

Output

Float value is: 10.5

Summary

In this tutorial, we learned How to convert String to Float in JavaScript language with well detailed examples.




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