?? string-to-number.js
字號:
// Please note: this file contains snippets for comparison
// it is not self-contained or ready-to-use code as such
var a = '10';
alert(typeof a);
a = Number(a);
alert(typeof a);
var a = '24.68motorway';
var i = parseInt(a);
alert(i);
var f = parseFloat(a);
alert(f);
var s = 'route66';
var n = parseInt(s);
alert(n);
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