Question

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

Answer 1

var s = "100 points";

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

100
 
*/

 

70+ SQL courses for beginners and professionals

Answer 2

var s = "100 90 points";

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

100
 
*/

 

70+ SQL courses for beginners and professionals

Answer 3

var s = "100.83 percent";

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

100
 
*/

 

70+ SQL courses for beginners and professionals

Answer 4

var s = "100";

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

100
 
*/

 

70+ SQL courses for beginners and professionals

Answer 5

var s = "points set to 100";

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

NaN 
 
*/

 

70+ SQL courses for beginners and professionals

Answer 6

var s = "17.39 points set to 10.33";

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

17
 
*/

 

70+ SQL courses for beginners and professionals