Single-page application (SPA) is becoming more and more mainstream front-end, a major feature of single-page application is the use of front-end routing, the front-end to directly control the route jump logic, and no longer controlled by the back-end staff, which…
1. Distinction 1.1 Basic Data Types The primitive data type is a simple data segment stored directly on the stack. Because it takes up little space and has a fixed size, it is frequently used data, so it is stored…
1. Grammar 1.1 Explanation of notes Write in the first line of the comment block. 1.2 Tags @tagName 1.3 Description of the label 1.4 Type 1.5 Optional parameters 1.6 Parameters have default values 1.7 Link 2. Example 2.1 Function 2.2…
Closures are considered the basic front-end interview questions, but I read a lot of articles about closures blog, but I feel that many of the ideals of closures are still divergent, and now the online understanding of closures is generally…
TypeScript function is based on es6 function features added some back-end concepts: generalization, parameter type declaration, return value type declaration, overloading, decorators, etc.. Some other features: arrow functions, generators, async-await, promise, etc. are all added features of es6. Function Type…
Those who have learned java should understand it very well, but write it anyway! typescript gives us three modifiers when defining properties inside. public : public Accessed inside the current class, subclasses and outside the class protected : protected type…
1. Convert json string to json object 1.1 Using the JSON.parse() function 1.2 Using the eval() function 1.3 jQuery.parseJSON() 2. Convert json object to json string Use JSON.stringify()
1. Default Parameters Passing in a value will override the default parameter, and it is fine to pass no value. 2. Optional parameters Optional values may or may not be passed, but the optional parameters must be placed at the…
Recently, I encountered a headache when I was developing, the component I used before did not have any problems, but I had a problem when I referenced it in other directories. The name of the component and the path to…
