1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 |
// view the full video at: // http://jquery14.com/day-05/jquery-1-4-hawtness-1-with-paul-irish /* d8b .d88888b. d888 d8888 Y8P d88P" "Y88b d8888 d8P888 888 888 888 d8P 888 8888 888 888 888 888 .d88b. 888d888 888 888 888 d8P 888 "888 888 888 888 888 d8P Y8b 888P" 888 888 888 d88 888 888 888 Y8b 888 888 888 88888888 888 888 888 888 8888888888 888 Y88b.Y8b88P Y88b 888 Y8b. 888 Y88b 888 888 d8b 888 888 "Y888888" "Y88888 "Y8888 888 "Y88888 8888888 Y8P 888 888 Y8b 888 d88P Y8b d88P 888P" "Y88P" 888 888 888 888 888 888 888 888 888 8888888888 8888b. 888 888 888 888888 88888b. .d88b. .d8888b .d8888b 888 888 "88b 888 888 888 888 888 "88b d8P Y8b 88K 88K 888 888 .d888888 888 888 888 888 888 888 88888888 "Y8888b. "Y8888b. 888 888 888 888 Y88b 888 d88P Y88b. 888 888 Y8b. X88 X88 888 888 "Y888888 "Y8888888P" "Y888 888 888 "Y8888 88888P' 88888P' #1: live() and closest() db d8b db d888888b d888888b db db 88 I8I 88 `88' `~~88~~' 88 88 88 I8I 88 88 88 88ooo88 Y8 I8I 88 88 88 88~~~88 `8b d8'8b d8' .88. 88 88 88 `8b8' `8d8' Y888888P YP YP YP d8888b. .d8b. db db db d888888b d8888b. d888888b .d8888. db db 88 `8D d8' `8b 88 88 88 `88' 88 `8D `88' 88' YP 88 88 88oodD' 88ooo88 88 88 88 88 88oobY' 88 `8bo. 88ooo88 88~~~ 88~~~88 88 88 88 88 88`8b 88 `Y8b. 88~~~88 88 88 88 88b d88 88booo. .88. 88 `88. .88. db 8D 88 88 88 YP YP ~Y8888P' Y88888P Y888888P 88 YD Y888888P `8888Y' YP YP */ /* oooo o8o `888 `"' 888 oooo oooo ooo .ooooo. 888 `888 `88. .8' d88' `88b 888 888 `88..8' 888ooo888 888 888 `888' 888 .o o888o o888o `8' `Y8bod8P' */ // all <a href="#anchor"> smoothscroll to those elements $"a[href^=#][href!=#]"live'click'functione $'html,body'animate'scrollTop': $$thisattr'href'offsettop+'px'; epreventDefault; ; // all dropdowns, including dynamically added ones execute this when the value is changed $'select'live'change'functione console.log etarget' has been changed to '$thisval ; ; // already worked in FF.. // all forms, including dynamically added ones execute this when they are submitted $'form'live'submit'functione console.logetarget' has sumbitted'; ; // focusin and focusout for focus/blur $'input:text'live'focusout'function checkValidation this$thisval ; ; // hinting with default placeholder values for text input items. // $('input[placeholder]').placeholder(); // quit if there's support for html5 placeholder if this0 && 'placeholder' in documentcreateElement'input' return; return this live'focusin'function if $thisval === $thisattr'placeholder' $thisval''; live'focusout'function if $thisval === '' $thisval $thisattr'placeholder' ; _ ; // updates: // thx to jkline for the tip. this works now // mathias bynens has blown this code out into a full plugin: // http://github.com/mathiasbynens/Placeholder-jQuery-Plugin // mouseenter mouseleave // colorize the hoverboxes when people hover in and out of them $'div.hoverbox'live'mouseenter mouseleave'functione var isEnter = etype === 'mouseenter'; $thiscss'backgroundColor'isEnter ? 'red' : 'blue'; ; // using data{} with live() $'#content a.external'live'click' bindtime : functione var clicktime = duration = clicktime - edatabindtime / 1000; console.logduration' seconds between binding and clicking'; ; // custom events with live() $"p"live"myCustomEvent"functionemyNamemyValue $thistext"Hi there!"; $"span"stopcss"opacity"1 text"myName = " + myName fadeIn30fadeOut1000; ; $"button"click $"p"trigger"myCustomEvent"; ; // performance optimization: providing a context for your delegation // will execute much quicker on every click, vs $('a.external').live(.... $'a.external'$'#content'0 live'click'function /* oooo . `888 .o8 .ooooo. 888 .ooooo. .oooo.o .ooooo. .oooo.o .o888oo d88' `"Y8 888 d88' `88b d88( "8 d88' `88b d88( "8 888 888 888 888 888 `"Y88b. 888ooo888 `"Y88b. 888 888 .o8 888 888 888 o. )88b 888 .o o. )88b 888 . `Y8bod8P' o888o `Y8bod8P' 8""888P' `Y8bod8P' 8""888P' "888" */ // closest(Array) jQuery"body"closest"body""html" // returns an object like this: selector:"body"elem:documentbodyselector:"html"elem:documentdocumentElement // performance optimization: providing a context for your delegation // only elements div.post within #content will be found. var post = $'a.external'closest'div.post'$'#content'0 d8b 888 Y8P 888 888 d8888b d88b 88888bd88b 888 88888b d88b d8888b d88b d88b 88888b 888 d88P" d88""88b 888 "888 "88b 888 888 "88b d88P"88b 88K d88""88b d88""88b 888 "88b 888 888 888 888 888 888 888 888 888 888 888 888 "Y8888b. 888 888 888 888 888 888 Y8P Y88b. Y88..88P 888 888 888 888 888 888 Y88b 888 X88 Y88..88P Y88..88P 888 888 " "Y8888P "Y88P" 888 888 888 888 888 888 "Y88888 88888P' "Y88P" "Y88P" 888 888 888 888 Y8b d88P "Y88P" // setterMethods(function(i,val){ ... }) and animation // events! bind(). proxy(). special // traversing and manipulation // *ajax!* // utilities // what may break in 1.4 for you.' |

