Tips:Using JavaScript in Memento
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« Page as of 2017-02-12, editions Mobile 4.2.1, Desktop 1.0.8 »
This page is under development. Information is incomplete and potentially incorrect.
General tips
JavaScript tips
Link to Entry fields
- Using field()
- field() returns an array of Entry objects. To access fields in the linked library, use:
| JavaScript field | Trigger |
|---|---|
var links = field("Link field name");
if (links.length > 0) {
var name = field(links[0].field("Name");
// Put your code to handle name here
}
|
var e = entry(), links = e.field("Link field name");
if (links.length > 0) {
var name = e.field(links[0].field("Name"));
// Put your code to handle name here
}
|
| JavaScript field |
|---|
var links = field("Link field name");
if (links.length > 0) {
var name = field(links[0].field("Name");
// Put your code to handle name here
}
|
| Trigger |
var e = entry(), links = e.field("Link field name");
if (links.length > 0) {
var name = e.field(links[0].field("Name"));
// Put your code to handle name here
}
|
JavaScript field tips
Trigger tips
How Trigger & JavaScript field scripts differ
Links
| W3Schools | |
|---|---|
| JavaScript Tutorial | A pleasant, fairly complete, and useful tutorial on JavaScript Best on a computer or tablet in landscape. On a phone or tablet in portrait, scroll to the bottom for navigation. |
| Mozilla Developer Network | |
| JavaScript Guide | Shows you how to use JavaScript, gives an overview of the language, and presents its capabilities & features |
| JavaScript Reference | The entire JavaScript language described in detail |
| Introduction to JavaScript | Introduces JavaScript and discusses some of its fundamental concepts |
| JavaScript Tutorial | A re-introduction. JavaScript is often derided as being a toy, but beneath its simplicity, powerful language features await. |
| JavaScript 1.7 | The JavaScript release upon which Memento is currently based |
| About JavaScript | Jumping off point in learning about JavaScript |