2017年1月22日 · In JavaScript, all numbers are 64 bits floating point numbers. This means you can't represent in JavaScript all the Java longs. This means you can't represent in JavaScript all the Java longs. The size of the mantissa is about 53 bits, which means that your number, 793548328091516928 , can't be exactly represented as a JavaScript number.

2011年3月27日 · So, if I wanted to parse the string "71157133118211271" to a number/long in Javascript, how would I go about that? Split it into 16-digit strings, parse each of them separately, and concatenate them together?

2014年7月14日 · Best practice for breaking up long lines in JS [closed] ... the lines are in the source code much longer e ...

A Long class for representing a 64-bit two's-complement integer value. - dcodeIO/long.js

2009年3月23日 · I have JavaScript which performs a whole lot of calculations as well as reading/writing values from/to the DOM. The page is huge so this often ends up locking the browser for up to a minute (someti...

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2010年11月11日 · You can break a long string constant into logical chunks and assign them into an array. Then do a join with an empty string as a delimiter. var stringArray = [ '1.

An extremely long file of code filled with the fundamentals of JavaScript, organized into sections. Instructions & Tips: Each section has a ⭐️ in the beginning; To work with the code, simply copy the code section / area and paste it after the end of the huge comment.

2009年4月30日 · This is actually pretty cool and I'm going to use it as a way to add documentation to a game I'm working on as a hobby. As long as this trick isn't used for anything that could invoke a bug (I can see how someone would go "Semicolon, derp. Lets put the comment on the next line." and then it breaks your code.)

2012年11月24日 · Let me elaborate on @jfriend00's answer by giving a concrete stripped down example. Here is a long-running JavaScript process that can be started by clicking a button. Once it runs, it freezes the browser. The process consists of a long loop that repeats some workload where one iteration takes comparatively little time.