How to convert float to int type in javascript

Conversion method: 1. Use the "parseInt(float value)" statement; 2. Use the "Math.ceil(float value)" statement; 3. Use the "Math.round(float value)" statement; 4 , use the "Math.floor(float value)" statement.

The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.

javascript Force conversion of float to int type

1. Discard the decimal part and keep the integer part

parseInt(7/2)

2. Round up. If there is a decimal, add 1 to the integer part

Math.ceil(7/2)

3. Round off

Math.round(7/2)

4 , Round down

Math.floor(7/2)

[Recommended learning: javascript advanced tutorial]

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