Question

How to return the float part from decimal number from the start of a string in JavaScript

Answer 1

var s = "17.39 points set to 10.33";

document.write(parseFloat(s));
 
/*
run:

17.39
 
*/

 

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Answer 2

var s = "17.99 points";

document.write(parseFloat(s));
 
/*
run:

17.99
 
*/

 

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Answer 3

var s = "200 17.99 points";

document.write(parseFloat(s));
 
/*
run:

200 
 
*/

 

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Answer 4

var s = "17.99 3.14 points";

document.write(parseFloat(s));
 
/*
run:

17.99  
 
*/

 

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Answer 5

var s = "3.14";

document.write(parseFloat(s));
 
/*
run:

3.14 
 
*/

 

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Answer 6

var s = "3000";

document.write(parseFloat(s));
 
/*
run:

30000 
 
*/

 

70+ SQL courses for beginners and professionals