Summary of issues to note when converting js string to int_javascript skills

var str='1250' ;
alert( Number(str) ); //Get 1250
alert(parseInt(str)); //Get 1250

var str1='00100';

alert( Number(str1) ); //Get 100
alert(parseInt(str1)); //Get 64

Discover the number starting with format'00' in the parseInt method It will be converted as a binary to decimal method, so it is recommended to use the Number method to convert string to int.