In this example, the Mustache. A mustache template is a string that contains any number of mustache tags. Tags are indicated by the double mustaches that surround them. In both examples we refer to person as the tag's key. There are several types of tags available in mustache. There are several techniques that can be used to load templates and hand them to mustache. If you need a template for a dynamic part in a static website, you can consider including the template in the static HTML file to avoid loading templates separately.
Here's a small example:. If your templates reside in individual files, you can load them asynchronously and render them when they arrive. Another example using fetch :. The most basic tag type is a simple variable.
If there is no such key, nothing is rendered. All variables are HTML-escaped by default. For example, to disable all escaping: Mustache. See the Custom Delimiters section for more information. JavaScript's dot notation may be used to access keys that are properties of objects in a view.
Sections render blocks of text zero or more times, depending on the value of the key in the current context. A section begins with a pound and ends with a slash. The text between the two tags is referred to as that section's "block". If the person key does not exist, or exists and has a value of null , undefined , false , 0 , or NaN , or is an empty string or an empty list, the block will not be rendered. If the person key exists and is not null , undefined , or false , and is not an empty list the block will be rendered one or more times.
Thanks for the tutorial! There is unfortunately little information about it and my code is exactly as that which is posted in the tutorial. Name a string property of the object. Hi, i tried but when i take my title from wordpress site with json it gave me the wrong title like. If i has a project with html templates and loaders that uses mustache render without partial and i cannot change the render function, is there other ways to render a template html that include other templates??
Your email address will not be published. All rights reserved. What is Mustache? A basic Mustache example What does a Mustache template look like? Click the ZIP button to download the repository Zip file.
Unzip the downloaded file, and move the resulting folder to your website. Include the relevant library file such as mustache. Running the Mustache processor The syntax for calling the Mustache processor depends on the language you are using. Grab mustache. A textarea with an id of "template" This contains the Mustache template that we want to use.
A textarea with an id of "data" This contains JavaScript code that creates an object variable called data , with three properties: "name" , with a value of "SuperWidget" ; "colour" , with a value of "Green" ; and "price" , with a value of " A button with an id of "process" When clicked, this button calls a JavaScript function, process , which runs the Mustache processor to produce the finished HTML.
A textarea with an id of "html" This will contain the finished HTML generated by the Mustache processor, displayed as source markup. A div with an id of "result" This will contain the finished HTML generated by the Mustache processor and rendered by the browser, so that you can see how the ends result looks in the page.
The function: Extracts the template code stored in the template textarea , and stores it in the variable template. Calls eval on the contents of the data textarea , which creates the data object. Calls Mustache. This generates the finished markup, which the code then stores in the html variable. Inserts the markup stored in html into the html textarea , as well as the result div , so that the markup can be both viewed by the user and rendered by the browser.
Try it out! The demo page in action. View Demo ». The product list demo. When you click Get Products, the JavaScript in the page fetches the Mustache template and data via Ajax, then combines them to display the table. Comments This is cool technology for templates. Matt Great tutorial. Thanks Phil. In such scenarios we can use template systems to increase reusability and ease the task of managing views.
This article covers the basics of working with mustache. An example of this technique is shown below. Another method for building the DOM is to create elements and append them individually, as shown below.
Both the methods above can be used effectively to add elements dynamically into your document. Consider a situation where we have a very well designed bullet list which needs to be used across three different types of pages in our site. Using these techniques, we would have to repeat the HTML code the list in three different locations. This is generally considered to be bad coding practice.
In such scenarios we can use predefined templates in different locations without repeating the code. You can grab a copy of the library by visiting the official page on GitHub. Mustache provides templates and views as the basis for creating dynamic templates. Views contain the data to be included in the templates as JSON. Templates contain the presentation HTML or data with the template tags for including view data. Earlier, we mentioned mustache as logic-less.
We choose JSON to describe our data here, but this would depend on the engine you're using. If you throw the mustache template plus the input data at a templating engine, it should if it's not buggy produce the following output :.
So the templating engine replaces also known as expands the tags the curly brace things with what it finds in the input data. Here, "planet" was the lookup key and "Earth" was the value the engine found for this key. Now, depending on your chosen templating engine, the output might be stored in a variable of your program or written to the filesystem.
For example, the JavaScript mustache engine has two modes: Either it can be used as a command line tool to produce files, or it could be used to dynamically render html files. In Mustache, there are no if and else statements and also no loops. That's why they call it logic-less templating. At least they're not directly represented as keywords in the templating language. It is however possible to conditionally show or hide a block of text.
And this is how:. At first, this syntax might look a bit weird to you. But it get's clearer once we read those sections from the docs, which I have changed slightly:.
Loops are also not represented directly in the mustache language, but indirectly via the data and how the mustache specification specifies behaviour when the data is an array. The elements could also be objects instead of strings, in which case access is given by just writing the property names into the braces:.
Then the partial inherits this context and replaces the variable title accordingly. There are some concepts we haven't discussed here, such as for example Lambdas. If you want to learn about those concepts, I suggest you head over to the Original Mustache Specs.
So now that we've learned a bit about the mustache language , it is time that we also look at an example of a templating engine. After all, just knowing the language usually isn't your goal, you want to be able to use the language to get a job done. And the templating engine gets the job done, once you provide it with a template and the input data. Then you can create the template file called letter-template. Now we also need a second file, that specifies who my friends are! So we'll put the friendlist from above in a JSON called friends.
And now the final step.
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