Vill du lägga till JavaScript på dina pages eller posts i WordPress?
Ibland kan du behöva add JavaScript-kod till hela din website eller till specifika pages och posts. Som standard låter WordPress dig ej add to kod direkt i dina posts.
I den här artikeln visar vi dig hur du enkelt kan add to JavaScript i WordPress pages eller posts.
Vad är JavaScript?
JavaScript är ett programmeringsspråk som körs i användarens webbläsare, eller ej på din server. Denna programmering på klientsidan allow utvecklare att göra en massa coola saker utan att sakta ner din website.
Om du vill embeda ett videoklipp, add to kalkylatorer eller någon annan tjänst från tredje part, kommer du ofta att bli ombedd att copy and paste ett JavaScript code snippet till din WordPress website.
Ett typiskt JavaScript code snippet kan se ut så här:
<script type="text/javascript">
// Some JavaScript code
</script>
<!-- Another Example: --!>
<script type="text/javascript" src="/path/to/some-script.js"></script>
Men om du addar ett JavaScript code snippet till en WordPress post eller page, så kommer den att bli borttagen av WordPress när du försöker save den.
Med detta sagt, låt oss se hur du enkelt kan add JavaScript till WordPress pages eller posts utan att bryta din website. Du kan använda snabblänkarna under för att hoppa direkt till den metod du vill använda.
Metod 1. Lägg till JavaScript var som helst på din WordPress-webbplats med WPCode (rekommenderas)
Ibland behöver ett plugin eller tool att du copy and paste ett JavaScript code snippet till din website för att fungera korrekt.
Vanligtvis kommer dessa skript att placeras i header eller footer section på din WordPress blogg, så att koden hämtar vid varje page view.
När du till exempel installerar Google Analytics måste koden runna på varje page på din website, så att den kan tracka dina website visitors.
Du kan manuellt add to koden till dina header.php- eller footer.php -filer, men dessa ändringar kommer att skrivas över när du uppdaterar eller ändrar ditt theme.
Det är därför vi rekommenderar att du använder WPCode för att lägga till JavaScript var som helst på hela din WordPress site.
WPCode är det mest kraftfulla code snippet plugin available för WordPress. Det låter dig enkelt add custom code till alla area på din site, och det bästa av allt är att det är gratis.
Först måste du installera och aktivera det gratis pluginet WPCode. För mer detaljer, se vår Step-by-Step guide om hur du installerar ett WordPress plugin.
När du är aktiverad måste du gå till Code Snippets ” Rubriker & Footer.
Here you will see three separate fields labeled ’Header’, ’Body’, and ’Footer’.
Du kan nu lägga till din JavaScript-kod i en av dessa boxar och sedan helt enkelt klicka på knappen ”Save”. WPCode kommer nu automatiskt att hämta den kod som du har addat till varje page på din website.
You can also add code snippets to any other place on your site, such as inside posts or pages.
För att göra detta går du helt enkelt till Code Snippets ” + Add Snippet och klickar sedan på ”Create Your Own”.
Du kommer nu att se en ”Create Custom Snippet” page där du kan add to en titel för din kod och klistra in den i ”Code Preview” boxen.
Därefter väljer du ”JavaScript Snippet” i dropdown-menyn ”Code Type”.
Sedan rullar du bara tills du hittar section ”Insertion”.
Allt du behöver göra nu är att selecta en ”Location” för koden från dropdown-menyn. Hitta ”Page, Post, Custom Post Type” och välj var på sidan eller i inlägget du vill att koden ska visas.
Om du väljer att WPCode ska inserta snippet före eller efter ett stycke, kommer du att kunna välja vilket specifikt stycke i posten det ska visas före eller efter.
Om du till exempel skriver 1 i fältet ”Insert Number” kommer code snippet att visas före eller efter det första stycket. Använd 2 för det andra stycket och så vidare.
Efter det behöver du bara klicka på toggle högst upp på vyn för att växla till ”Activate” och sedan klicka på knappen ”Save Snippet” bredvid den.
Det är all som krävs för att få ditt code snippet att leva på site!
Metod 2. Lägga till JavaScript-kod till WordPress manuellt med hjälp av kod (avancerad)
Med den här metoden måste du add to kod till dina WordPress-filer. Om du inte har gjort det tidigare kan du kontrollera vår guide om hur du copy and paste kod i WordPress.
Först ska vi visa dig hur du addar kod till headern på din site i WordPress. Du måste kopiera följande kod och add to your functions.php.
function wpb_hook_javascript() {
?>
<script>
// your javscript code goes
</script>
<?php
}
add_action('wp_head', 'wpb_hook_javascript');
Lägga till JavaScript till ett specifikt WordPress post med hjälp av kod
Om du bara vill lägga till JavaScript i ett enskilt inlägg i WordPress måste du lägga till villkorlig logik i koden.
Ta en titt på följande code snippet:
function wpb_hook_javascript() {
if (is_single ('5')) {
?>
<script type="text/javascript">
// your javscript code goes here
</script>
<?php
}
}
add_action('wp_head', 'wpb_hook_javascript');
Koden ovan kommer endast att run JavaScript om ID:n för posten matchar ’5’. Se till att du ersätter ”5” med ditt eget ID:n för posten.
För att hitta ID:n till posten öppnar du den post där du vill att JavaScript ska runna. Sedan, i URL: en på sidan, hittar du post-ID.
Lägga till JavaScript på en specifik WordPress page med hjälp av kod
Om du bara vill lägga till JavaScript på en enda page i WordPress måste du lägga till villkorlig logik i koden, precis som ovan.
Ta en titt på följande exempel:
function wpb_hook_javascript() {
if (is_page ('10')) {
?>
<script type="text/javascript">
// your javscript code goes here
</script>
<?php
}
}
add_action('wp_head', 'wpb_hook_javascript');
Koden ovan kommer endast att run JavaScript om ID:n för page är ’10’. Se till att du ersätter ”10” med ditt eget ID:n för page.
Du kan hitta ID:n för page med samma metod som ovan. Öppna helt enkelt den page you vill att JavaScript ska runna och obs/observera sidans ID:n i URL:en.
Lägga till JavaScript till en specifik WordPress post eller page med hjälp av kod i footern
Om du vill att JavaScript ska runna i din sites footer istället för i headern, kan du add to följande code snippet till din website.
function wpb_hook_javascript_footer() {
?>
<script>
// your javscript code goes
</script>
<?php
}
add_action('wp_footer', 'wpb_hook_javascript_footer');
Detta code snippet åtgärds-hookar i wp_footer istället för wp_head. Du kan också lägga till villkorsstyrda taggar för att lägga till JavaScript i specifika posts och pages, som i exemplen ovan.
Note: Dessa metoder är för Beginnare och ägare av websites. Om du håller på att lära dig WordPress utveckla teman eller plugins, måste du köa JavaScript och stylesheets till dina projekt på rätt sätt.
Vi hoppas att den här artikeln hjälpte dig att lära dig hur du enkelt kan add to JavaScript till WordPress pages eller posts. Du kanske också vill se vår guide om hur man väljer den bästa bloggplattformen och våra expertval av den bästa AI-chatbotprogramvaran för din website.
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Syed Balkhi says
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Jiří Vaněk says
WPCode saved my entire website like this, which I already had completed, but eventually we found out that the menu works very poorly on mobile devices. I found a solution in the form of JavaScript, but I didn’t know where or how to insert it into the website. This saved me all the work and solved the problem with closing the menu on mobile devices.
WPBeginner Support says
Glad to hear the plugin was helpful!
Administratör
wing says
i wonder why not use the most simple method, just directly use the wordpress ”Custom HTML” block to insert Javascript code to a post or page. I have try it and test it. No problem. very very very simple method.
WPBeginner Support says
It would depend on the specific code, the methods we show in this guide are to add the code to the head section as most JavaScript wants to be run in the head section.
Administratör
Rejane says
I have an active child theme and I used the ”Insert Headers and Footer” plugin to add a JavaScript code for an email marketing service. It worked out! But unfortunately, I had to cancelled my account with this service and now I would like to remove the JavaScript code. How do I do this when I am using a child theme? Is there any easy way or another plugin for this?
WPBeginner Support says
You would remove the code from the Insert Headers and Footers plugin and it would remove the code from your site
Administratör
Paul Liles says
I cannot find the three-dot menu anywhere? Need some help.
WPBeginner Support says
It should be at the top of the edit page. if you are using the classic editor then it would be under Screen Options.
Administratör
Eleni says
I’m not getting the Custom Fields option in the Screen Options tab. I’m using a self-hosted website and have installed and activated the Code Embed plugin
WPBeginner Support says
If you’re using the Block editor then the setting has moved under the preferences area.
Administratör
Ashley says
This site is AMAZING!!! This is the third post in a row where I’ve hit the jackpot getting what I needed and did it in the easiest way possible. Thank you!!
WPBeginner Support says
Glad our guides were helpful
Administratör
Dude says
Hey, great stuff WPbeginners! The second method worked like a charm. I did have a question though. If I wanted to add another js code for another purpose, how should the code start. Because anything I add after the code is greyed out. I’m at a loss here. I want it to do the same but for another page. Any ideas will be appreciated.
WPBeginner Support says
It would heavily depend on the code you are using but you would want to ensure the code is before the
/scripttagAdministratör
Jonathan says
Thanks. This article was exceedingly helpful. I went with the functions.php option. Worked well.
WPBeginner Support says
Glad our guide was helpful
Administratör
Elise says
That worked. Thank you so much!
WPBeginner Support says
You’re welcome
Administratör
Martin says
Question on Method 3:
After inputting the value and clicking on the ”add custom field”, how do I get the code to display on my website frontend?
Should I insert ”{{CODEmyjscode}}” using a shortcode widget or text editor on the page?
WPBeginner Support says
for the moment you would want to use the text or code editor.
Administratör
Bret Bernhoft says
When I first began working with WordPress, JavaScript seemed like an impossibility for me. But fast forward to today and I’m writing the language every day; often in association with WordPress.
I wish it had been clearer to me how easy it would have been to write JavaScript, when I first began this journey. Thank you for the tools and tips. I’ll have to give this a try.
WPBeginner Support says
Glad we could share some easy methods for adding JavaScript to your site!
Administratör
ibrahim says
It worked and helped me a lot. Thank you!
WPBeginner Support says
You’re welcome
Administratör
Kat says
I tried adding custom JS in my post, but nothing happens. I followed your exact directions for Method 3, but when I go to preview the page it’s just blank space where the JS is supposed to be. Any idea why?
WPBeginner Support says
You would want to take a look at the plugin’s FAQ for the most common reasons for that issue and how to resolve it.
Administratör
Samuel says
How does this work with the new WordPress block system?
I’m trying to embed this in a page, but it just shows as {{code1}} on the preview
WPBeginner Support says
It would depend on the method you are using on your site for the plugin, they have an update in their FAQ section for how to use it at the moment.
Administratör
Akash says
Thank for this information. Really amazing and helpful post.
WPBeginner Support says
You’re welcome, glad our article was helpful
Administratör
Alex says
Hey, great guide! The problem is I don’t have ”Custom Fields” under screen options… Any idea why?
WPBeginner Support says
Is your site on WordPress.com?
Administratör
James says
Hi. I have employed a programmer to create a tool, which he did in Javascript. I have been using Weebly but Weebly has become unresponsive to requests for help, to which hundreds of blogs testify. So, I’m looking at alternatives to Weebly. Could WordPress handle a 2 MB javascript tool?
Thanks,
WPBeginner Support says
Your hosting would determine if a tool like that could be used not the platform for your website and depending on how the tool was set up would determine if you can transfer the tool.
Administratör
Matt says
What if I need to add the script just on a single page but in the head not the body? I am trying to add a google conversion pixel just to my form submit thank you page.
WPBeginner Support says
You would want to take a look at the section of the article called: Adding JavaScript to a Specific WordPress Post or Page Using Code
Administratör
quy says
it works like magic. Thanks very much
WPBeginner Support says
You’re welcome, glad our article could help
Administratör
Manjeet Chhillar says
Thank you for this very helpful post.
My query is: How can I implement ”Method 2” on multiple posts. Do i need to add Post ID of every single post separated by comma?
WPBeginner Support says
yes, you would need to place the commas outside the single quotes and start a new set of quotes for this method
Administratör
Deborah says
Thank you for sharing the three methods WordPress users can use to add JavaScript to posts or pages. From what I read on the Insert Headers and Footers plugin page in the repository, the plugin doesn’t use the enqueue method to add the scripts. Which is the recommended method to add scripts in WordPress.
Did I misunderstand? Or is Insert Headers and Footers using enqueue to add scripts? If it’s not using enqueue, do you know when the plugin will be updated to use enqueue?
WPBeginner Support says
The plugin is not enqueueing scripts added to it at the moment as not everything added with our plugin may not want to be enqueued. If you would like to enqueue the added code you would want to use another method.
Administratör
Dave G says
Nice, thanks for that. It so happen that the exact post ID I needed to run javascript on was number 16. ”`if (is_single (’16’)) { ”`
Are you from the future?
WPBeginner Support says
Not yet at least
Administratör
Golu Arjun says
Thank you for this post. It’s very helpful. It is possible to customize
WPBeginner Support says
You’re welcome
Administratör
Thomas says
I need to add a script to all posts in my blog. I have the plugin to each individual post. Thing is, there are thousands of posts and we need to add the script to all of them. Any suggestions? Thank you in advance.
WPBeginner Support says
The Insert Headers and footers option will put a code on every post and page for you if they are using the same code.
Administratör
Thomas says
Thank you for your quick reply.
We only want the script to run on Posts. We do not want it to run on all pages.
WPBeginner Support says
If you had a widget that is only added to posts you could try adding the code in a widget.
Ann says
I’ve tried using the Headers and Footers scripts and the jQuery just doesn’t seem to be working properly.
WPBeginner Support says
It would depend on the specific code you are adding to the site for the possible reasons it could not be working. You may want to ensure with who you took the code from that the code itself is working.
Administratör
Andrew Golay says
Please fix your Headers / Footer plugin or change this article, thank you.
WPBeginner Support says
Our plugin is currently working from testing but we will certainly take another look at it.
Administratör
lynn says
thank you!! This was very helpful .
WPBeginner Support says
Glad it was helpful
Administratör
Remco says
Thank you for this great post!
Is it possible to implement Structured Data on Woocommerce pages with this method (JSON-LD)?
WPBeginner Support says
You likely could but if you have an SEO plugin you are currently using you would want to check with that plugin to see if the plugin does that already.
Administratör
graham says
A well-presented roundup of the better-known options for what is becoming a common need. However, many WordPress users are not (and do not want to be) programmers. For them, JavaScript in any form is too frightening; that’s why they use WordPress with its promise of ”no programming required”.
There’s another possibility; to use custom scripts instead of JavaScript, and embed them directly in the page. You can put them in any component, though I prefer .
All you need then is something that can compile and run the script. It’s hard to find plugins that can do this; my own searches haven’t yet turned up any. However, as a JavaScript programmer myself, I was able to write one and put it in the library as EasyCoder. The scripts resemble English, have about the same complexity as SQL and can do most of the things commonly required to manage content and interactivity in a web page. EasyCoder is also fully pluggable so other programmers can add modules themselves.