React.js Notes
1. C oncatenate 2 var data + in one var (2 var ke data ko jodta hai js mai); 2.What are the Components? what are you doing Components are independent and reusable bits of code . They serve the same purpose as JavaScript functions, but work in isolation and return HTML via a render() function. Components come in two types, Class components and Function components 3.Types of React Components Functional Components. Class Components. Pure Components. Higher-Order Components. 4.jquery wich always using id is # for example(#abc) 5. 3 type of HTML data output in js 1)HTML .2)text .3)append mens repet input field or data 6. onkeypress function in js is function mai agr input field mai koi v data type krenge to output mai koi changes ni hoga 7...3 type of function create in js i) function get_onkeypress(e){ document.getElementById('onkeypress').value=e; } (normal function); ii )var demo=function(asd){ console.log('gvshdsgvg',asd); };( variable ke sath dec