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Groups > comp.lang.javascript > #39446
| From | Ben Bacarisse <ben.usenet@bsb.me.uk> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: Bug in javascript found |
| Date | 2021-02-10 02:16 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <878s7wis65.fsf@bsb.me.uk> (permalink) |
| References | <ad443096-b466-4cdc-a0f8-edc0d815fa5en@googlegroups.com> <7ad3dfb3-90b3-4fce-b537-55511a64cea8n@googlegroups.com> <6c7176b7-13fe-4381-8083-ccc58fc4fcb6n@googlegroups.com> |
Jonas Thörnvall <jonas.thornvall@gmail.com> writes:
> tisdag 9 februari 2021 kl. 22:03:22 UTC+1 skrev Jonas Thörnvall:
>> tisdag 9 februari 2021 kl. 21:42:46 UTC+1 skrev Jonas Thörnvall:
>> > The input alert have not same value as the calcSTR alert.
>> > And that is also why it not goes into the if clause.
>> >
>> > The "Input"+calcSTR is +7
>> > but the "calcSTR"+calcSTR is +14-7
>> >
>> > A string can't just change value so there must be a bug in at least Chrome implementation of javascript.
>> >
>> > function evalSecondary(calcSTR){
>> > alert("Input"+calcSTR);
>> > for(m=0;m<calcSTR.length;m++){
>> > tempChar=calcSTR.charCodeAt(m);
>> > //Plus or Minus
>> > if((tempChar==43|| tempChar==45) && m!=0){
>> > alert("tempChar "+tempChar+ " M="+m+" calcSTR"+calcSTR);
>> > operand=calcSTR.charAt(m);
>> > getSecondaryOps(calcSTR);
>> > calcSubSecondary(calcSTR);
>> > }
>> > }
>> > }
>> Well you see the code creating the alerts.
>> https://jonasth.github.io/Mathparse/INDEX.HTML
>> It is an impossibility frankly.
> I simply could not understand why the recursion never ended, but then
> again if a variable can change value "within same function" while not
> assigned between two alerts then something definitely broken.
It is not going to turn out to be Chrome that's broken. Your code is a
mess, but the biggest problem is that you are still using global
variables. These are always a bad idea, but they are particularly bad
in recursive code.
--
Ben.
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Bug in javascript found Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-02-09 12:42 -0800
Re: Bug in javascript found Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-02-09 12:43 -0800
Re: Bug in javascript found Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-02-09 21:01 +0000
Re: Bug in javascript found Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-02-09 13:03 -0800
Re: Bug in javascript found Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-02-09 13:14 -0800
Re: Bug in javascript found Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-02-10 02:16 +0000
Re: Bug in javascript found Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-02-10 01:11 -0800
Re: Bug in javascript found Ben Bacarisse <ben.usenet@bsb.me.uk> - 2021-02-10 11:20 +0000
Re: Bug in javascript found Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2021-02-14 00:52 +0100
Re: Bug in javascript found Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-02-13 16:32 -0800
Re: Bug in javascript found John G Harris <niam@jghnorth.org.uk.invalid> - 2021-02-14 10:22 +0000
Re: Bug in javascript found Silvio <silvio@internet.com> - 2021-02-14 10:38 +0100
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