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Groups > comp.lang.javascript > #23214
| From | "se" <se@no-one.here> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: Get inner text of HMTL element |
| Date | 2014-02-23 05:35 +0100 |
| Organization | A noiseless patient Spider |
| Message-ID | <lebtqq$3st$1@dont-email.me> (permalink) |
| References | <leambb$nfo$1@dont-email.me> <lebfaf$8r8$1@speranza.aioe.org> |
"Joao Rodrigues" <groups_jr-1@yahoo.com.br> skrev i meddelelsen
news:lebfaf$8r8$1@speranza.aioe.org...
> A good approach is using feature-tests at load-time, when you test for
> either textContent or innerText only once. Then, you will use one of them
> in the rest of your code / library. E.g.
>
> (function (global) {
> // feature-tests at load-time.
> var parseEl = document.createElement('div');
> var get_inner_text;
> if (typeof parseEl.textContent != 'undefined') {
> // DOM Level 3 - IE9+, FF, Safari, etc.
> get_inner_text = function (el) {
> return (el.textContent);
> };
> } else if (typeof parseEl.innerText != 'undefined') {
> get_inner_text = function (el) {
> return (el.innerText);
> };
> }
> global.get_inner_text = get_inner_text;
> }(this));
>
> Keep in mind the differences between textContent and innerText, though.
> See https://developer.mozilla.org/En/DOM/Node.textContent
>
> --
> Joao Rodrigues
Why this:
if (typeof parseEl.textContent != 'undefined')
Why not just:
if (typeof parseEl.textContent)
Testing for returned value of either null or undefined, its
anough and better just doing: if (ele)
Using 'undefined' in testing often leads to an erroneous compare statment.
if using != it would be better doing it like this: if (ele!=null). As null
is a
reliable use whether returned value is undefined or null.
if (ele!=null) is the same as if (ele).
So in cases where returned value is either undefined or null,
just do: if (ele).
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Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-22 18:21 +0100
Re: Get inner text of HMTL element Martin Honnen <mahotrash@yahoo.de> - 2014-02-22 19:31 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-22 20:51 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-22 21:11 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-22 21:37 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-22 22:05 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-22 23:38 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-23 10:43 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-23 14:50 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-23 15:48 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-24 21:01 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-24 22:34 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-27 21:41 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-27 22:32 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-28 13:44 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-28 16:54 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-03-04 20:51 +0100
Re: Get inner text of HMTL element ompalompasales2@gmail.com - 2014-03-04 12:59 -0800
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-22 20:59 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-22 22:23 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-22 23:32 +0100
Re: Get inner text of HMTL element Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-02-22 21:27 -0300
Re: Get inner text of HMTL element "se" <se@no-one.here> - 2014-02-23 05:35 +0100
Re: Get inner text of HMTL element Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-02-23 15:29 -0300
Re: Get inner text of HMTL element "se" <se@no-one.here> - 2014-02-23 21:01 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-23 20:02 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-23 21:55 +0100
Re: Get inner text of HMTL element Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2014-02-24 08:37 +0100
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-24 12:30 +0100
Re: Get inner text of HMTL element Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-02-24 15:09 -0300
Re: Get inner text of HMTL element Christoph Michael Becker <cmbecker69@arcor.de> - 2014-02-24 19:43 +0100
Re: Get inner text of HMTL element Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-02-24 18:12 -0300
Re: Get inner text of HMTL element Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-02-24 22:51 +0100
Re: Get inner text of HMTL element Dr J R Stockton <reply1400@merlyn.demon.co.uk.invalid> - 2014-02-25 19:49 +0000
Re: Get inner text of HMTL element Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-02-26 05:20 -0300
Re: Get inner text of HMTL element "se" <se@no-one.here> - 2014-02-26 17:10 +0100
OT - Re: Get inner text of HMTL element Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2014-02-26 15:48 -0300
Re: OT - Re: Get inner text of HMTL element "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-02-26 22:43 +0100
Re: OT - Re: Get inner text of HMTL element Dr J R Stockton <reply1400@merlyn.demon.co.uk.invalid> - 2014-02-27 15:00 +0000
Re: OT - Re: Get inner text of HMTL element "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-02-28 10:50 +0100
Re: OT - Re: Get inner text of HMTL element "se" <se@no-one.here> - 2014-02-27 10:57 +0100
Re: Get inner text of HMTL element Dr J R Stockton <reply1400@merlyn.demon.co.uk.invalid> - 2014-02-27 15:46 +0000
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