javascript - How to reference an HTML anchor - Stack Overflow

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I'm loading a string of HTML into a UIWebView through loadHTMLString. It produces a very long webpage. Once that string is loaded, I need to navigate to an HTML anchor tag with its "name" attribute set. In the HTML, I might have:

//3 pages of text here
<a name="go here"></a> lots more text here
//another 3 pages of text here

I need the webpage to scroll down to "go here" once loaded. The mappings work fine if a user clicks a link inside of the webpage and it loads an external URL. But in this case, I need to initially scroll down an already loaded webpage.

I can still execute JavaScript code like this:

[MyWebView loadHTMLString:dataString baseURL:[NSURL URLWithString:@";]];
[webView stringByEvaluatingJavaScriptFromString:@"javascriptFunc('param1');"];

But I need something similar for navigating to the anchor tag. Any suggestions?

I'm loading a string of HTML into a UIWebView through loadHTMLString. It produces a very long webpage. Once that string is loaded, I need to navigate to an HTML anchor tag with its "name" attribute set. In the HTML, I might have:

//3 pages of text here
<a name="go here"></a> lots more text here
//another 3 pages of text here

I need the webpage to scroll down to "go here" once loaded. The mappings work fine if a user clicks a link inside of the webpage and it loads an external URL. But in this case, I need to initially scroll down an already loaded webpage.

I can still execute JavaScript code like this:

[MyWebView loadHTMLString:dataString baseURL:[NSURL URLWithString:@"http://www.myscheme."]];
[webView stringByEvaluatingJavaScriptFromString:@"javascriptFunc('param1');"];

But I need something similar for navigating to the anchor tag. Any suggestions?

• javascript
• html
• iphone
• cocoa-touch
• uiwebview

Share Improve this question Follow edited Aug 10, 2021 at 0:48 Peter Mortensen 31.6k2222 gold badges110110 silver badges133133 bronze badges asked Apr 17, 2009 at 14:14 4thSpace4thSpace 44.4k101101 gold badges306306 silver badges493493 bronze badges

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2 Answers 2

Sorted by: Reset to default 10

You can jump to an anchor in an already-loaded HTML file by doing:

[webView stringByEvaluatingJavaScriptFromString:@"window.location.hash='#foo'"];

This will do the jump, sans animation.

If I'm not mistaken, just add #go%20here to the end of the URL.

Ahh, you mean already loaded. Is it really out of the question to just do reload the page? The browser should have cached most of it anyway...

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