Question

How to convert float string to number in JavaScript

Answer 1

var s = '3.14abc';
var f = parseFloat(s);
document.write(f + "<br />");

var n = Number('3.14');
document.write(n + "<br />");

var n = Number('3.14abc');
document.write(n + "<br />");


/*
run:

3.14
3.14
NaN

*/

 

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