/utils

Collect some useful JavaScript methods, sometimes you don't want to write again, just copy and paste.

Primary LanguageJavaScript

utils

Collect some useful JavaScript methods, sometimes you don't want to write again, just copy and paste.

Methods

string_replace_array

  • Usage: string_replace_array(string, macroValues)

  • Replace any macro marks in a string template by Array index.

  • Example:

     var result = string_replace_array('My name is {0}, live in {1}.', ['TANG', 'Guangzhou']);

 // result => 'My name is TANG, live in Guangzhou.'

string_replace_object

  • Usage: string_replace_object(string, macroObject)

  • Replace any macro marks in a string template by Object key.

  • Example:

     var result = string_replace_object('My name is {name}, live in {loc}.', { name: 'TANG', loc: 'Guangzhou' });

 // result => 'My name is TANG, live in Guangzhou.'

Emitter

  • Usage: new Emiter()

  • A simple event emitter.

  • Example:

     var emitter = new Emitter();
 emitter.on('foo', func);
 emitter.once('bar', func);
 emitter.emit('bar', [123]);
 emitter.off('bar', func);
 emitter.off('foo');

 var data = {a: 123};
 var emitData = new Emitter(data);
 emitData.a === 123 // true
 emitData.on('foo', func);
 emitData.once('bar', func);
 emitData.emit('bar', [123]);
 emitData.off('bar', func);
 emitData.off('foo');