jQuery syntax
Notes:
jQuery Syntax :
jQuery(expression).action(parameters);
OR
$(expression).action(parameters);
jQuery(expression) or $(expression):
Used to query or select or target HTML element(s),
based on the given expression, it selects and returns an array of all matching HTML element(s).
expression:
can be a “CSS selector“ , or JS object for selection
can also pass JS function for execution
can also pass “html code” to create elements dynamically at runtime
action(parameters):
can be another jQuery method (function)
indicates the action to be performed on selected HTML element(s),
parameters:
indicate the requirements of the action
Ex:
JQuery("#headingone").css("border","2px solid red");
OR
$("#headingone").css("border","2px solid red");
It selects any html element whose id attribute value is set to headingone and applies the CSS style 2px solid red border.
Interview Questions: