js rounding

js rounding methods: 1. tofixed method, which can round Number to a number with specified decimal places; 2. round() method, which can round a number to the nearest integer. PHP Chinese website brings you knowledge about js rounding, as well as related articles and other content

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time：2023-07-04 10:16:03

Why doesn't php round to one decimal place? Method: 1. Use the "*" operator to expand the decimal by 10 times. The syntax is "$a=decimal*10;" and move the decimal point back one place; 2. Use floor() to round down the expanded decimal. , discard the decimal part, the syntax is "$b=floor($a);"; 3. Divide the rounded number by 10, the syntax is "$c=$b/10;".

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