Retrieve number from String Variable in JavaScript

Question

HiI have one text like below it was stored on variablevar aMy no is 12345my requirement is that how to store only number on another varaible from that textvar b12345could you please help me

dharmendr · Accepted Answer

Hi mahesh213Use substring functionRefer below codeHTMLltDOCTYPE htmlgtlthtmlgtltheadgt    lttitlegtlttitlegt    ltmeta charset34utf834 gt    ltscriptgt        windowonload  function              var a  39My no is 1234539            alertasubstringalastIndexOf34 34  1 alength            ltscriptgtltheadgtltbodygtltbodygtlthtmlgtDemo

Retrieve number from String Variable in JavaScript

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