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Current location - Plastic Surgery and Aesthetics Network - Plastic surgery and beauty - How does javascript convert a value in a text box into a hexadecimal value?
How does javascript convert a value in a text box into a hexadecimal value?
& lt! DOCTYPE? html & gt

& lthtml & gt

& lthead & gt

& ltmeta? charset="utf-8"/>

& ltmeta? Http-equiv="X-UA compatible "? content="IE=edge " >

& lttitle & gtTitle & lt/title & gt;

& ltmeta? name="viewport "? Content = "width = device width,? initial-scale= 1 " >

& lt/head & gt;

& ltbody & gt

& lt input? Id= "test"? type="text "? /& gt;

& lt script? type = " text/JavaScript " & gt;

var? Input? =? document . query selector(# test));

Input.addEventListener('change', function? (e)? {

var? Val. =? E. target value;

If (! Isnan (val)? {

E. goal. value? =? 0x '? +? Number (val). toString( 16);

}

}, fake)

& lt/script & gt;

& lt/body & gt;

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