Angular dynamic binding style and a summary of how to change UI frame style

AngularJS Introduction

AngularJS is a JavaScript framework. It can be added to HTML pages via the <script> tag.

AngularJS extends HTML through directives and binds data to HTML through expressions.

AngularJS is a JavaScript framework

AngularJS is a JavaScript framework. It is a library written in JavaScript.

AngularJS is published as a JavaScript file and can be added to the web page through the script tag:

<script src="/libs//1.4.6/">>

1: angular dynamic binding style

Take a chestnut:

<tr *ngFor="let dataTr of tableData;let i = index" [formGroupName]="i" [ngClass]='isHideClass(i)'>

 isHideClass(index){
  const data = [index];
  // if(data['532411351520251904'].===''&&data['532411588670394368'].===''
  // &&data['532411670509654016'].==='') {
  //  return 'hide_tr'
  // }
  let arr = [];
  for (let i in data) {
   (data[i]);
  }
  if(((val,idx)=>{
    return  === ''
  })){
   return 'hide_tr'
  }
 }

hide_tr is the class name,

.hide_tr{
display: none !important;
}

Explanation: The class name to be bound to ngClass will call the defined in the component during the process of tr generating html based on the data loop.isHideClass（）Method, and bring i (index) over to let the method use
Based on the class name returned by the method logic, bind the written styleisHideClass(index){return 'hide'}, At this time, the ngClass is bound to the style of the class name hide

2: angular change the UI framework style (the example is Ant Financial's UI framework)

example:

::ng-deep{
  .ant-card-head-title{
   font-weight: bold;
  }
  .ant-table-placeholder{
   display: none;
  }
  .ant-card-body {
   padding-bottom: 0px
  }
  .hide_tr{
   display: none !important;
  }
 }

Add: ng-deep in front of the style you want to change, and you can change the style defined by the framework.

Summarize

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