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Array
- after
<!-- array: ['a', 'b', 'c'] --> {{after array 1}} <!-- results in: '["c"]' -->
- before
<!-- array: ['a', 'b', 'c'] --> {{before array 2}} <!-- results in: '["a", "b"]' -->
- filter
<!-- array: ['a', 'b', 'c'] --> {{#filter array "foo"}} AAA {{else}} BBB {{/filter}} <!-- results in: 'BBB' -->
- itemAt
<!-- array: ['a', 'b', 'c'] --> {{itemAt array 1}} <!-- results in: 'b' -->
- unique
<!-- array: ['a', 'a', 'c', 'b', 'e', 'e'] --> {{#each (unique array)}}{{.}}{{/each}} <!-- results in: 'acbe' -->
- length
{{length '["a", "b", "c"]'}} <!-- results in: 3 --> <!-- results in: myArray = ['a', 'b', 'c', 'd', 'e']; --> {{length myArray}} <!-- results in: 5 --> <!-- results in: myObject = {'a': 'a', 'b': 'b'}; --> {{length myObject}} <!-- results in: 2 --> -
string
- {{toFixed}}
{{toFixed "1.1234" 2}} //=> '1.12' -
math
- {{minus}}
Return the difference of a minus b. Params a {Number} b {Number}- {{add}}
Return the sum of a plus b. Params a {Number} b {Number} returns {Number}- {{sum}}
Returns the sum of all numbers in the given array. Params array {Array}: Array of numbers to add up. returns {Number} {{sum "[1, 2, 3, 4, 5]"}} <!-- results in: '15' --> -
comparison ****(非常重要api)
- and
Helper that renders the block if both of the given values are truthy.
<!-- {great: true, magnificent: true} --> {{#and great magnificent}} A {{else}} B {{/and}} <!-- results in: 'A' -->
- compare
Render a block when a comparison of the first and third arguments returns true. The second argument is the arithemetic operator to use. You may also optionally specify an inverse block to render when falsy.
a {}
operator {}: The operator to use. Operators must be enclosed in quotes: ">", "=", "<=", and so on.
b {}
- and